Global Statistics

All countries
620,393,136
Confirmed
Updated on September 26, 2022 3:04 pm
All countries
599,144,095
Recovered
Updated on September 26, 2022 3:04 pm
All countries
6,540,743
Deaths
Updated on September 26, 2022 3:04 pm

Global Statistics

All countries
620,393,136
Confirmed
Updated on September 26, 2022 3:04 pm
All countries
599,144,095
Recovered
Updated on September 26, 2022 3:04 pm
All countries
6,540,743
Deaths
Updated on September 26, 2022 3:04 pm
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How Fast Can You Get Covid



For How Long After I Am Infected Will I Continue To Be Contagious At What Point In My Illness Will I Be Most Contagious

People are thought to be most contagious early in the course of their illness, when they are beginning to experience symptoms, especially if they are coughing and sneezing. But people with no symptoms can also spread the coronavirus to other people. In fact, people who are infected may be more likely to spread the illness if they are asymptomatic, or in the days before they develop symptoms, because they are less likely to be isolating or adopting behaviors designed to prevent spread.

A full, 14-day quarantine remains the best way to avoid spreading the virus to others after you’ve been exposed to someone with COVID-19. However, according to CDC guidelines, you may discontinue quarantine after a minimum of 10 days if you do not have any symptoms, or after a minimum of seven days if you have a negative COVID test within 48 hours of when you plan to end quarantine.

If you are fully vaccinated and have been around someone with or suspected of having COVID-19 you do not need to quarantine. However, as of July 2021, the CDC recommends that you be tested thre to five days after exposure, and wear a mask in public indoor settings for 14 days or until you receive a negative test result.

I’ve Heard That The Immune System Produces Different Types Of Antibodies When A Person Is Infected With The Covid

When a person gets a viral or bacterial infection, a healthy immune system makes antibodies against one or more components of the virus or bacterium.

The COVID-19 coronavirus contains ribonucleic acid surrounded by a protective layer, which has spike proteins on the outer surface that can latch on to certain human cells. Once inside the cells, the viral RNA starts to replicate and also turns on the production of proteins, both of which allow the virus to infect more cells and spread throughout the body, especially to the lungs.

While the immune system could potentially respond to different parts of the virus, it’s the spike proteins that get the most attention. Immune cells recognize the spike proteins as a foreign substance and begin producing antibodies in response.

There are two main categories of antibodies:

Binding antibodies. These antibodies can bind to either the spike protein or a different protein known as the nucleocapsid protein. Binding antibodies can be detected with blood tests starting about one week after the initial infection. If antibodies are found, it’s extremely likely that the person has been infected with the COVID-19 coronavirus. The antibody level declines over time after an infection, sometimes to an undetectable level.

Binding antibodies help fight the infection, but they might not offer protection against getting reinfected in the future. It depends on whether they are also neutralizing antibodies.

Being Around People Without A Mask And Not Getting Sick So Far Does Not Mean Youre Immune To Covid

According to the CDC, 4.5 million Americans get bitten by dogs every year. Where are we going with this? We’re getting there. 

You might be around dogs regularly or you might even own a dog. If you’ve never been bit by one, you’re most likely thinking, “What does that statistic have to do with me?” Well, just because you haven’t been bitten yet doesn’t mean that you’ll never experience a dog bite. Also, your personal experience doesn’t change the fact that millions of others have these painful encounters throughout the course of a year. 

With COVID-19, it kind of plays out in a similar manner. You might be doing all the things and hanging around everyone without a mask or social distancing and feel like you’re invincible because you have yet to show any symptoms of the virus. However, you could actually be infected and spreading the coronavirus to others. And when you think about it, are you really OK with the idea of making your friends and family sick or possibly being the reason why they’re no longer here? Most likely not. 

Dr. Esper explains. 

What Types Of Medications And Health Supplies Should I Have On Hand For An Extended Stay At Home

Try to stock at least a 30-day supply of any needed prescriptions. If your insurance permits 90-day refills, that’s even better. Make sure you also have over-the-counter medications and other health supplies on hand.

Medical and health supplies

  • prescribed medical supplies such as glucose and blood-pressure monitoring equipment
  • fever and pain medicine, such as acetaminophen
  • cough and cold medicines
  • soap and alcohol-based hand sanitizer
  • tissues, toilet paper, disposable diapers, tampons, sanitary napkins
  • garbage bags.

How Long After I Start To Feel Better Will Be It Be Safe For Me To Go Back Out In Public Again

Can You Get Coronavirus From Touch Screen Monitors at Fast ...

The most recent CDC guidance states that someone who has had COVID-19 can discontinue isolation once they have met the following criteria:

  • It has been more than 10 days since your symptoms began.
  • You have been fever-free for more than 24 hours without the use of fever-reducing medications.
  • Other symptoms have improved.
  • The CDC is no longer recommending a negative COVID-19 test before going back out in public.

    Anyone who tested positive for COVID-19 but never experienced symptoms may discontinue isolation 10 days after they first tested positive for COVID-19.

    What Should I Do If I Have Been In Close Contact With A Person With Confirmed Covid

    If you’ve been in close contact with someone who’s a confirmed case of COVID-19 — including close contact in the 48 hours before they became unwell — you must?quarantine?in your home for 14 days after your last contact with the confirmed case. Someone from your local public health unit will contact you. If you remain well after 14 days you can leave quarantine.

    If you develop symptoms during this time, you must get tested for COVID-19. If you test positive, you must isolate. Anyone who’s entered your household is a close contact and must?quarantine.

    If you test negative for COVID-19, you must complete quarantine and stay at home for the full 14-day quarantine period.

    How Soon After I’m Infected With The New Coronavirus Will I Start To Be Contagious

    The time from exposure to symptom onset is thought to be two to 14 days, though symptoms typically appear within four or five days after exposure.

    We know that a person with COVID-19 may be contagious 48 hours before starting to experience symptoms. People may actually be most likely to spread the virus to others during the 48 hours before they start to experience symptoms.

    For people who are not fully vaccinated, wearing masks, particularly indoors, can help reduce the risk that someone who is infected but not yet experiencing symptoms may unknowingly infect others. As of July 2021, the CDC is also advising people who are fully vaccinated to wear masks in public indoor places in areas of the country with substantial or high transmission of the virus.

    The Fda Has Granted Emergency Use Authorization To A Rapid Antigen Test For Covid

    The BinaxNOW COVID-19 Ag Card, as the test is known, detects antigen proteins on the surface of SARS-CoV-2, the virus that causes COVID-19. Unlike other diagnostic tests for COVID-19, BinaxNOW does not require a laboratory or other equipment to process or analyze the test results. This makes it portable and fast — results are available within 15 minutes.

    This test is approved for use in people who are suspected of having COVID-19, and must be done within seven days of when their symptoms began. A prescription is needed to get this test, which can be performed in authorized locations including doctor’s offices and emergency rooms.

    To perform the test, a sample obtained using a nasal swab is inserted into the BinaxNOW test card. The test is a lateral flow immunoassay, which works like a pregnancy test. The appearance of colored lines on the test strip indicates whether or not you have tested positive for COVID-19. The test comes with a smartphone app that can be used to share test results.

    Positive test results are highly specific, meaning that if you test positive you are very likely to be infected, particularly if you are tested during the first week of infection when you are experiencing symptoms. False negatives are a bigger concern. As with other antigen tests, BinaxNOW can miss infections, producing negative test results in people who are actually infected.

    With The Rare Cases Of Reinfection What Exactly Is Happening To The Immune System

    Dr. Esper says that the medical community it still examining these rare cases. For instance, a recent study out of Oxford showed that antibodies offered about a six-month window of protection for study subjects. However, it’s worth noting that this study still has yet to be evaluated and peer-reviewed. While this might seem like encouraging news, it doesn’t mean that we should start disregarding everything we’ve been doing to stay safe.  

    “The vast majority of individuals who have effective antibodies against this virus are probably protected for several months. But like with many coronaviruses, these antibodies just don’t seem to last very long. So we expect that immunity to wane over time,” says Dr. Esper.

    This also brings into question how vaccines will work. 

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    “Right now, we don’t necessarily know exactly how long the immunity lasts. That’s one thing that we need to take a closer look at. We’re not seeing tremendous numbers of reinfection, so that might suggest that once you get an immune response, you’re likely to be safe. So, if we get an effective vaccine, you’re likely to be safe against reinfection or infection. That good since this virus doesn’t mutate. That could also mean it’s likely that the vaccine response is going to last a little bit longer.” 

    If You Or Someone You Know Is Sick Or Had Contact With Someone Who Has Covid

    People who have been in close contact with someone who has COVID-19—excluding people who have had COVID-19 within the past 3 months or who are fully vaccinated

    • People who have tested positive for COVID-19 within the past 3 months and recovered do not have to quarantine or get tested again as long as they do not develop new symptoms.
    • People who develop symptoms again within 3 months of their first bout of COVID-19 may need to be tested again if there is no other cause identified for their symptoms.
    • People who have been in close contact with someone who has COVID-19 are not required to quarantine if they have been fully vaccinated against the disease and show no symptoms.

    What To Do If You Have A Negative Rapid Test Result But Still Have Symptoms

    If your rapid test shows that you don’t have the coronavirus but you do have symptoms of COVID-19, it’s possible that you received a false negative. It’s a good idea to confirm your negative result with a more accurate PCR test.

    PCR tests are generally more accurate than rapid tests. CT scans are rarely used to diagnose COVID-19. Antigen tests can be used to diagnose past infection.

    How Long Does It Take To Develop Antibodies After A Coronavirus Infection

    Antibodies are produced as a result of your body’s immune response to an infection. While we do not know yet if antibodies provide long-term immunity for COVID-19, we do know that many people have antibodies in their system after recovering from a COVID-19 infection.

    Studies show antibodies take 1-3 weeks to appear following an infection.

    This is why it’s important to wait long enough after your infection before receiving antibody testing to avoid a false result.

    At this time, PlushCare is offering free appointments for insured in-network patients looking to receive antibody testing orders.

    What Is The Difference Between A Pcr Test And An Antigen Test For Covid

    Can Your Employer Require You To Get The COVID

    PCR tests and antigen tests are both diagnostic tests, which means that they can be used to determine whether you currently have an active coronavirus infection. However, there are important differences between these two types of tests.

    PCR tests detect the presence of the virus’s genetic material using a technique called reverse transcriptase polymerase chain reaction, or RT-PCR. For this test, a sample may be collected through a nasal or throat swab, or a saliva sample may be used. The sample is typically sent to a laboratory where coronavirus RNA is extracted from the sample and converted into DNA. The DNA is then amplified, meaning that many of copies of the viral DNA are made, in order to produce a measurable result. The accuracy of any diagnostic test depends on many factors, including whether the sample was collected properly, when during the course of illness the testing was done, and whether the sample was maintained in appropriate conditions while it was shipped to the laboratory. Generally speaking, PCR tests are highly accurate. However, it can take days to over a week to get the results of a PCR test.

    It may be helpful to think of a COVID antigen test as you would think of a rapid strep test or a rapid flu test. A positive result for any of these tests is likely to be accurate, and allows diagnosis and treatment to begin quickly, while a negative result often results in further testing to confirm or overturn the initial result.

    If Youre Already Vaccinated Do You Still Need A Test To Travel To Italy

    If you are already vaccinated you don’t need a test but you still need a form to prove you are, indeed, shielded against Covid-19. You can download it here: Italian nationals returning to Italy and foreigners in Italy . It’s the Ministry page on the Covid Green Pass. You can obtain it both electronically and with a paper form should you not own a device.

    Can A Person Who Has Been Infected With Coronavirus Get Infected Again

    Natural immunity to COVID-19 is the protection that results from having been sick. But we don’t know how long natural immunity lasts, or how strong it is. We are learning that vaccination strengthens the natural immune response and reduces the risk that you will get infected again.

    There have been confirmed cases of reinfection with COVID-19. In other words, a person got sick with COVID-19, recovered, and then became infected again. It’s also worth noting that someone who has been reinfected — even someone with no symptoms — has the potential to spread the virus to others.

    We have also learned that people who have gotten sick with COVID-19 benefit from getting vaccinated. A study published in MMWR reported that people who were unvaccinated were about twice as likely to be reinfected as people who were fully vaccinated.

    The bottom line? Get vaccinated whether or not you’ve already had COVID-19.

    How Can I Protect Myself While Caring For Someone That May Have Covid

    You should take many of the same precautions as you would if you were caring for someone with the flu:

    • Stay in another room or be separated from the person as much as possible. Use a separate bedroom and bathroom, if available.
    • Make sure that shared spaces in the home have good air flow. If possible, open a window.
    • Wash your hands often with soap and water for at least 20 seconds or use an alcohol-based hand sanitizer that contains 60 to 95% alcohol, covering all surfaces of your hands and rubbing them together until they feel dry. Use soap and water if your hands are visibly dirty.
    • Avoid touching your eyes, nose, and mouth with unwashed hands.
    • Extra precautions:
    • You and the person should wear a face mask if you are in the same room.
    • Wear a disposable face mask and gloves when you touch or have contact with the person’s blood, stool, or body fluids, such as saliva, sputum, nasal mucus, vomit, urine.
    • Throw out disposable face masks and gloves after using them. Do not reuse.
    • First remove and throw away gloves. Then, immediately clean your hands with soap and water or alcohol-based hand sanitizer. Next, remove and throw away the face mask, and immediately clean your hands again with soap and water or alcohol-based hand sanitizer.
  • Do not share household items such as dishes, drinking glasses, cups, eating utensils, towels, bedding, or other items with the person who is sick. After the person uses these items, wash them thoroughly.
  • Wash laundry thoroughly.
  • If You’ve Been Exposed Are Sick Or Are Caring For Someone With Covid

    If you’ve been exposed to someone with COVID-19 or begin to experience symptoms of the disease, you may be asked to self-quarantine or self-isolate. What does that entail, and what can you do to prepare yourself for an extended stay at home? How soon after you’re infected will you start to be contagious? And what can you do to prevent others in your household from getting sick?

    Visit our Coronavirus Resource Center for more information on coronavirus and COVID-19.

    How Do Saliva Tests Compare To Nasal Swab Tests For Diagnosing Covid

    Samples for COVID-19 tests may be collected through a long swab that is inserted into the nose and sometimes down to the throat, or from a saliva sample.

    The saliva test is easier to perform — spitting into a cup versus submitting to a swab — and more comfortable. Because a person can independently spit into a cup, the saliva test does not require interaction with a healthcare worker. This cuts down on the need for masks, gowns, gloves, and other protective equipment.

    Either saliva or swab samples may be used for PCR tests, which detect genetic material from the coronavirus. Swab or saliva samples can also be used for antigen tests, which detect specific proteins on the surface of the coronavirus.

    A systematic review and meta-analysis published in JAMA Internal Medicine found that saliva- and nasal swab-based tests that used a technique similar to PCR were similarly accurate. A positive result on either test meant that it was accurate at diagnosing the infection 99% of the time. However, approximately 16 out of 100 people who are infected will be missed.

    These results are very similar to prior studies, reinforcing that a single negative swab or saliva test does not mean you don’t have COVID. If you have symptoms suggestive of COVID, presume you may still be infected to avoid transmitting the virus to others.

    Moving Toward A Better Definition Of Long Haulers And A New Name

    Very different chronic illnesses may develop in some people who have had COVID-19. So, the National Institutes of Health has proposed a unifying name: post-acute sequelae of SARS-CoV-2 infection, or PASC.   

    Most people who get COVID-19 recover within weeks or a few months. However, some will likely suffer chronic damage to their lungs, heart, kidneys or brain that the virus inflicted. Others will develop long COVID.

    We do not yet have a formal definition of long COVID. In my opinion, such a definition should include these three points:

    • A medical diagnosis of COVID-19, based on both symptoms and/or diagnostic testing for the SARS-CoV-2 coronavirus
    • Not having returned to pre-COVID-19 level of health and function after six months
    • Having symptoms that suggest long COVID, but no evidence of permanent damage to the lungs, heart, and kidneys that could cause those symptoms.

    Is long COVID the same as chronic fatigue syndrome ?

    Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, has speculated that long COVID likely is the same as or very similar to .

    How Do People Get Infected With The Coronavirus That Causes Covid

    If you test positive for COVID-19, you probably inhaled droplets or virus particles transmitted from an infected person, released into the air when that person breathed, spoke, coughed, sneezed or sang, especially if he or she was not wearing a face mask.

    In rarer cases, people become infected after touching something with the coronavirus on it, and then touching their face. If a member of a household has COVID-19, there is a high risk that it will be transmitted to others in the home.

    I Recently Spent Time With Someone Who Tested Positive For Covid

    How does the Covid vaccine work and why has it been ...

    Yes, you do. In July 2021, the CDC recommended that anyone who is fully vaccinated and comes into contact with someone who has, or is suspected of having, COVID-19 should get tested three to five days after exposure. In addition, you should wear a mask in public indoor settings for 14 days or until you receive a negative test result. If you are vaccinated, you do not need to quarantine, but you should isolate if you develop symptoms or receive a positive test result.

    Previously, the CDC had said that someone who was fully vaccinated only needed to get tested after exposure if they were experiencing symptoms. The change follows new evidence regarding the Delta variant, which shows that people who are vaccinated and then get infected can spread the virus to others, perhaps to the same extent as those who are unvaccinated.

    If you are not fully vaccinated, a 14-day quarantine remains the best way to avoid spreading the virus to others after you’ve been exposed to someone with COVID-19. According to CDC guidelines, you may discontinue quarantine after a minimum of 10 days if you do not have any symptoms, or after a minimum of seven days if you have a negative COVID test within 48 hours of when you plan to end quarantine.

    It Takes A Few Days After Exposure To Produce A Positive Covid

    There are no firm numbers on how long it takes to get an accurate positive test result. The time from exposure to the onset of symptoms is around two to 14 days, according to Harvard Health. Most people’s symptoms appear around day five, on average.

    It’s recommended that you wait to get tested for at least two to three days after potential exposure. Some health experts say five days after exposure might be a good testing point, since that’s the median time when symptoms usually appear.

    If you don’t have any symptoms, you still may want to get tested a few times — once about two or three days after exposure, and once again later on in the 14-day incubation period. If you are experiencing symptoms, get tested right away.

    My Parents Are Older Which Puts Them At Higher Risk For Covid

    Caring from a distance can be stressful. Start by talking to your parents about what they would need if they were to get sick. Put together a single list of emergency contacts for their reference, including doctors, family members, neighbors, and friends. Include contact information for their local public health department.

    You can also help them to plan ahead. For example, ask your parents to give their neighbors or friends a set of house keys. Have them stock up on prescription and over-the counter medications, health and emergency medical supplies, and nonperishable food and household supplies. Check in regularly by phone, Skype, or however you like to stay in touch.

    Respiratory Allergies Allergic Rhinitis And Allergic Asthma

    People who have hay fever or allergic asthma may have similar symptoms to the symptoms of COVID-19. Some differences are:

    • fever does not occur with hay fever or allergic asthma
    • itchy nose, itchy and watery eyes, and itchy throat and palate are common symptoms of hay fever but not COVID-19.

    More information about the different symptoms is available in the COVID-19: Identifying the symptoms factsheet.

    It can be difficult to tell if your symptoms are due to allergies or to COVID-19. You should stay home and get tested:

    • when you first get the allergy symptoms, and
    • if your symptoms are unexpected, seem different or worse than usual, or do not respond to your usual medication.

    Find out more in our video featuring Dr Nick Coatsworth talking about allergies and testing for COVID-19.

    If you are concerned you may have COVID-19:

    Answer questions about your symptoms to see if you need to seek medical help or get tested. This tool is available online at any time.

    If you do not have any symptoms, you should still protect yourself and others.


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