Global Statistics

All countries
Updated on August 10, 2022 4:58 pm
All countries
Updated on August 10, 2022 4:58 pm
All countries
Updated on August 10, 2022 4:58 pm

Global Statistics

All countries
Updated on August 10, 2022 4:58 pm
All countries
Updated on August 10, 2022 4:58 pm
All countries
Updated on August 10, 2022 4:58 pm
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How Do You Know If You Have Covid

Don’t Leave Home While You’re Still Contagious

How do you know if you have COVID-19

A person with COVID-19 is thought to be most contagious in the days immediately leading up to symptom onset and throughout the first several days of his or her symptoms.

But, it can take several more days for a person’s immune system to actually clear the virus from the body.

“Most studies show that by the end of 10 days of infection, your body has cleared the active virus,” says Dr. Septimus. “A person with COVID-19 is likely no longer contagious after 10 days have passed since testing positive for coronavirus, and 72 hours after resolution of his or her respiratory symptoms and fever,” Dr. Septimus explains.

When it comes to staying home long enough to ensure you’re no longer contagious, follow these guidelines:

If you had symptoms, the criteria for ending isolation include:

  • 10 days have passed since your symptoms first began and
  • 24 hours with no fever without the use of fever-reducing medications and
  • Your other COVID-19 symptoms are improving

If you were asymptomatic, the criteria for ending isolation include:

  • 10 days after your positive viral test

This means that, even if your symptoms are clearing up and you’re feeling better, it’s imperative that you continue following isolation guidelines to ensure you don’t spread COVID-19 to others.

If I Get Sick With Covid

It varies. Most people with mild cases appear to recover within one to two weeks. However, recent surveys conducted by the CDC found that recovery may take longer than previously thought, even for adults with milder cases who do not require hospitalization. The CDC survey found that one-third of these adults had not returned to normal health within two to three weeks of testing positive for COVID-19. Among younger adults who did not require hospitalization and who did not have any underlying health conditions, nearly one in five had not returned to normal health within two to three weeks after testing positive for COVID-19. With severe cases, recovery can take six weeks or more.

Some people may experience longer-term physical, cognitive, and psychological problems. Their symptoms may alternately improve and worsen over time, and can include a variety of difficulties, from fatigue and trouble concentrating to anxiety, muscle weakness, and continuing shortness of breath.

Travel Health Notice Adjusted

The Government of Canada will adjust the travel health notice from level three to level two. As a result, travellers are no longer recommended to avoid all travel for non-essential purposes.

But Duclos cautioned that there are still serious risks involved with travelling abroad at this current juncture in the pandemic.

“I want to underscore that Canadians should still exercise caution when travelling abroad,” he said. “There is still the real risk of becoming sick or stranded while abroad and having to extend their trip or find themselves in need of medical assistance, should they test positive for COVID-19 while travelling abroad.”

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When Are People With Covid Most Contagious

The CDC says that its guidelines were updated to reflect growing evidence that suggests transmission of COVID-19 often occurs one to two days before the onset of symptoms and during the two to three days after.

“This has to do with data from the CDC that really showed after seven days there’s virtually no risk of transmission at this point,” Arwady said. “And in that five-to-seven-day window, you know, there’s some depending on whether people have been vaccinated underlying conditions, etc., but the risk drops a lot and the feeling is that in the general population, combined with masking, etc. the risk really is very low.”

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For those without symptoms, CDC guidance states they are considered contagious at least two days before their positive test.

Rare But Serious Long Covid Symptoms

Coronavirus prevention: What one item do you have at home ...

More serious long-term symptoms are less common, but can also occur. These may affect different organ systems in the body, including the heart, lungs, kidneys, skin, and brain functions.

The effects of COVID-19 on multiple organs can also include conditions that occur after COVID-19 like multisystem inflammatory syndrome .

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You Had Pink Eye Or Other Eye Symptoms

COVID-19 is thought to enter your cells through receptors for the enzyme called angiotensin converting enzyme 2 . The virus enters these receptors by tricking your body into thinking its the ACE2 enzyme.

ACE2 receptors are found in various parts of your eyes, such as your retina and the epithelial cells that line your eye white and eyelid.

Some people with COVID-19 develop eye symptoms like:

  • excessive tearing
  • increased eye secretions

Eye symptoms are usually accompanied by more typical COVID-19 symptoms, but they may appear alone in some people.

Heart Palpitations Or Chest Pain

COVID-19 can affect your heart too. It can cause it to beat fast or flutter, or pound. You may have had tightness in your chest. All of these things can happen even after the virus clears your body. Episodes like this can be noticeable for up to 2 weeks in mild cases or for 6 weeks in more serious ones.

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How Do I Know If I Have Covid

COVID-19 often causes symptoms similar to those a person with a bad cold or the flu would experience. And like the flu, the symptoms can progress and become life-threatening.

So far there has been much less than the usual number of cases of influenza, likely due to the enhanced public health measures to prevent the spread of COVID.

Therefore, at the current time, people with “flulike” symptoms should assume they have COVID. That means isolating and contacting your doctor or local board of health to arrange testing.

Data Sources And How To Use These Charts

What to do if you have COVID-19 | Coronavirus | 9 News Australia

Data sources:

The data on confirmed cases and confirmed deaths shown in these visualizations is updated daily and is published by Johns Hopkins University, the best available global dataset on the pandemic.

The data on testing was collected by us more detail can be found here.

How to use these charts:

  • On many charts it is possible to add any country by clicking on Add country.
  • Other charts can only show the data for one country at a time these charts have a change country option in the bottom left corner of the chart.
  • Many charts have a blue adjustable time-slider underneath the charts.

Licensing and how to embed our charts

We license all charts under Creative Commons BY and they can be embedded in any site. Here is how.

Country-by-country data on the pandemic

This page has a large number of charts on the pandemic. In the box below you can select any country you are interested in or several, if you want to compare countries.

All charts on this page will then show data for the countries that you selected.

The doubling time of confirmed deaths

Confirmed COVID-19 deaths by country

Total confirmed COVID-19 deaths

Are countries bending the curve for COVID-19 deaths?

Trajectories of total deaths

Trajectories of per capita deaths

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States With Mask Mandates

Four US states and four territories currently require masks in indoor settings like restaurants, bars and gyms:

  • Illinois
  • US Virgin Islands
  • Guam

As noted above, Illinois‘ statewide mask rules end Feb. 28, as do similar requirements in Washington, DC.

Washington’s masking requirements for most indoor venues are slated to expire on March 21.

The Oregon Health Authority has said it expects to lift the state’s indoor mask mandate no later than March 31.

California and Connecticut only require unvaccinated people to wear masks indoors.

For more updates, the AARP has a state-by-state rundown of mask mandates across the US.

Eleven states currently have mask requirements in public schools, though many have announced those will end in the coming weeks.

How Long Should You Quarantine Or Isolate

First things first, those who believe they have been in contact with someone who has COVID and are unvaccinated should quarantine. Those who test positive, regardless of vaccination status, must isolate, according to the Centers for Disease Control and Prevention.

Here’s the breakdown:


Those who have been within 6 feet of someone with COVID for a cumulative total of at least 15 minutes over a 24-hour period should quarantine for five days if unvaccinated or more than six months out from their second dose, according to updated CDC guidance issued Monday.

Once that period ends, they should partake in strict mask use for an additional five days.

Previously, the CDC said people who were not fully vaccinated and who came in close contact with an infected person should stay home for at least 10 days.

Prior to Monday, people who were fully vaccinated which the CDC has defined as having two doses of the Pfizer or Moderna vaccines, or one dose of the Johnson & Johnson vaccine could be exempt from quarantine.

Those who are both fully vaccinated and boosted do not need to quarantine if they are a close contact of someone with COVID, but should wear a mask for at least 10 days after exposure. The same goes for those who are fully vaccinated and not yet eligible for their booster shot.

Local health authorities can also make the final determination about how long a quarantine should last, however. And testing can play a role.


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Seek Help If You Have New Confusion

Experts including the Mayo Clinic, CDC and Harvard Medical School advise that if you or someone you know experiences new confusion, it’s an emergency warning sign for COVID-19. It means you might be prone to a seizure or other neurological issues, and prompt medical care is necessary, the New York Times reported last year.

What Is Being Done To Help Covid


As with many other COVID-19 issues, its hard to identify why something is occurring when the disease was discovered relatively recently. Learning how to treat long haulers also requires time.

Also, because the disease is so new, much of the information about COVID-19 cases and care is anecdotal. However, that is changing.

UC Davis Health launched the regions first Post-COVID-19 Clinic to provide streamlined, comprehensive specialty care for long haulers. We are one of only a handful of health systems in the U.S. to create a clinic that cares for these patients.

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Can You Get Reinfected With The Coronavirus

Yes, it’s definitely possible to get COVID-19 more than once.

“Even before the virus started to turn into different variants, even with the original strain that was circulating, there were already many documented cases of people getting reinfected,” Dr. Otto Yang, professor of medicine in the division of infectious diseases and of microbiology, immunology and molecular genetics at the David Geffen School of Medicine at UCLA, told TODAY.

That’s not particularly surprising considering that we can be infected and reinfected by the regular pre-COVID coronaviruses that cause the common cold within a year, he said.

As more variants emerge, reinfections only become more likely because those variants can potentially evade the immune protection we already have. “If you had delta, you can get omicron definitely,” Dr. Bernard Camins, medical director for infection prevention at the Mount Sinai Health System, told TODAY. And the reverse is true as well if you had an infection with the omicron variant, you can still get delta. That’s because “the spike protein of the delta variant is very different from the spike protein of omicron,” Camins said.

So, can you get omicron more than once? Earlier in the pandemic, there were definitely cases of reinfection with the same variant. But when it comes to omicron reinfections specifically, that’s something researchers are still figuring out. And we likely won’t know how common that scenario is for a few more months, Camins said.

When Might Covid Symptoms Appear

According to earlier CDC guidance, COVID symptoms can appear anywhere from two to 14 days after someone is exposed to the virus.

Anyone exhibiting symptoms should get tested for COVID-19.

Some people may never experience symptoms, though they can still spread the virus.

A person is also considered contagious before symptoms appear.

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Continue To Rely On Tried

For people who think they may be experiencing symptoms but need to leave the house, the safest way to move about society requires wearing a high-quality mask around others, Salinas says, and isolating to the extent that you can. At this stage in the pandemic, Americans desperately need universal paid sick leave and free and easily accessible testing until that happens, individuals will unfairly remain responsible for interpreting their symptoms as best they can.

Unless youre able to regularly test, take note of how youre feeling every day and continue to mask up in public settings. If you feel healthy without pain relievers and cold medicines, considering your own circumstances and history, you can safely assume youre without symptoms, experts say. Anything less than your best means you should take every sniffle, ache, or cough seriously.

If I’m Exposed To The Coronavirus How Long Before I Develop Symptoms

What is Long COVID and How Do You Know If You Have It?

Symptoms can begin between two and 14 days after you have been infected with the SARS-CoV-2 coronavirus. A study led by researchers at the Johns Hopkins Bloomberg School of Public Health shows that the median time for symptoms to show up is about five days. That is why the CDC uses the 14-day quarantine period for people following exposure to the coronavirus.

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Reuse Our Work Freely

All visualizations, data, and code produced by Our World in Data are completely open access under the Creative Commons BY license. You have the permission to use, distribute, and reproduce these in any medium, provided the source and authors are credited.

The data produced by third parties and made available by Our World in Data is subject to the license terms from the original third-party authors. We will always indicate the original source of the data in our documentation, so you should always check the license of any such third-party data before use and redistribution.

All of our charts can be embedded in any site.

What Are The Other Symptoms To Watch For After Covid Exposure

With some omicron cases, particularly breakthrough infections in those who are boosted and vaccinated, remaining mild, many are wondering how to tell if it’s a cold, the flu or COVID-19.

Arwady said that now, those who are fully vaccinated aren’t necessarily getting “seriously ill and having fevers for days and difficult breathing,” but are instead experiencing a more mild illness.

“They may only feel like they have a cold,” she said. “That’s good because they’re not getting seriously sick, they’re not threatening the healthcare system, but it’s certainly of some concern because they do have the potential to transmit to others.”

Those who are unvaccinated, however, are experiencing similar symptoms to early on in the pandemic, Arwady said.

Arwady’s comments echo those of other medical experts who are watching omicron cases.

Dr. Katherine Poehling, an infectious disease specialist and member of the Advisory Committee on Immunization Practices, told NBC News that a cough, congestion, runny nose and fatigue appear to be prominent symptoms with the omicron variant. But unlike delta, many patients are not losing their taste or smell.

The evidence so far, according to Poehling, is anecdotal and not based on scientific research. She noted also that these symptoms may only reflect certain populations.

Still, CDC data showed the most common symptoms so far are cough, fatigue, congestion and a runny nose.

Overall, the symptoms for COVID reported by the CDC include:

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Nausea Vomiting And Diarrhea

Next, Reddy says, GI symptoms tend to get more severe, like nausea, vomiting, abdominal pain, and diarrhea.ae0fcc31ae342fd3a1346ebb1f342fcb

A November study published in the journal Abdominal Radiology showed that while up to half of COVID patients experience at least one gastrointestinal symptom, roughly 20 percent say their GI symptoms are the only symptoms. And for more on your stomach pains, check out This Is How to Tell If Your Upset Stomach Is COVID, Doctors Say.

Has Travel Fully Reopened

How does COVID

No. Canada will still have a Level 2 travel advisory in place after Feb. 28. Its a step down from Level 3, so it no longer advises against non-essential travel outside the country. However, it still urges travellers to understand the risks associated with international travel given the high incidence of Omicron, and to take needed precautions.

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Need To Know Get An Antibodies Test

Antibodies are proteins your body makes to help fight off an infection. The only way to know for certain if youve had COVID-19 is to have your blood tested to see if you have the antibodies that fight the virus. If you do have them, scientists arent sure how well they’ll protect you from getting it again. But some studies show that people who have those antibodies are less likely to get COVID again.

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.

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