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Updated on August 8, 2022 2:34 pm
All countries
Updated on August 8, 2022 2:34 pm
All countries
Updated on August 8, 2022 2:34 pm

Global Statistics

All countries
Updated on August 8, 2022 2:34 pm
All countries
Updated on August 8, 2022 2:34 pm
All countries
Updated on August 8, 2022 2:34 pm
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Does The Covid Vaccine Prevent You From Getting Covid

Myth: Receiving A Covid

5 things NOT TO DO after getting the COVID-19 vaccine

FACT: Receiving a COVID-19 vaccine will not make you magnetic, including at the site of vaccination which is usually your arm.

COVID-19 vaccines do not contain ingredients that can produce an electromagnetic field at the site of your injection. All COVID-19 vaccines are free from metals.

Learn more about the ingredients in the COVID-19 vaccinations authorized for use in the United States.

What Stops The Body From Continuing To Produce The Covid

Both vaccines result in production of spike protein that results from mRNA blueprints. Because our cells are continuously producing proteins, they need a way to ensure that too many proteins do not accumulate in the cell. So, generally speaking, mRNA is always broken down fairly quickly. Even if for some reason our cells did not breakdown the vaccine mRNA, the mRNA stops making the protein within about a week, regardless of the bodys immune response to the protein. Once the mRNA is broken down, the blueprint is gone, so the cell can no longer continue to make spike proteins.

Likewise, while the adenovirus-based vaccine delivers DNA and the DNA lasts longer than mRNA, studies have shown that adenovirus-based DNA does not last longer than a few weeks.

What Is The Difference Between The First And Second Dose Of The Covid

In the United States, the ingredients in the vial for dose 1 and dose 2 of the same brand are exactly the same. When people talk about dose 1 doses and dose 2 doses, they are just talking about vaccine supply. If you arrive for dose 1 and the person behind you is getting dose 2, they can come out of the same vial.

One vaccine used in some other countries, Sputnik V, has different components in dose 1 and dose 2. Both are adenovirus vector vaccines, but dose 1 uses adenovirus 26 and dose 2 uses adenovirus 5 .

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How Well Does The Covid

The clinical trial measured two things to evaluate how the vaccine worked:

  • Disease While 18 participants in the placebo group got COVID-19 at least seven days after having the second dose of the vaccine, none in the vaccinated group were infected. This represents 100% efficacy. In the 5- to 11-year-old group, three vaccinated children got COVID-19 compared with 16 children in the placebo group this represents a 90.7% efficacy.
  • Immune response Now that we know what antibody levels adults experience following vaccination, studies can compare the levels in other groups to see if the vaccine works as well. These are often referred to as non-inferiority studies, meaning the vaccine is being tested in the study group to make sure it works at least as it does in another group previously studied. In the Pfizer study, average neutralizing antibody responses were similar in 5- to 11-year-olds compared with older children and young adults even though the dose was lower. While we still do not know if a certain level of virus-neutralizing antibodies indicates that an individual is protected against infection, we can be confident that vaccinated children respond equally well compared with older children and young adults.
  • If I Get The Shot Can I Still Get Covid

    Does Getting the Covid

      Registered nurse Katherine Noel prepares a dose of Moderna COVID-19 vaccine to give to staff at the Wardenburg Health Center on the CU Boulder campus.

      With Moderna and Pfizer ramping up production, Johnson & Johnson poised to earn emergency use authorization from the Food and Drug Administration, and the White House promising 13.5 million vaccine doses per week to states, many see a light at the end of the COVID-19 tunnel.

      As of Wednesday, 14.5% of Coloradans had gotten at least one shot and 6.8% were fully vaccinated.

      Learn more about vaccines

      On Tuesday, March 2, at the Campus Q& A, McQueen and Jennifer McDuffie, associate vice chancellor of Health and Wellness, will join other guests for a webinar on vaccine safety.

      Through the use of vaccines, we have the ability to end this pandemic, said Matt McQueen, director of epidemiology for the Pandemic Response Office at CU Boulder.

      But with increased vaccine availability have also come questions about how they work and what they do and dont do. CU Boulder Today caught up with McQueen, a professor of integrative physiology, to get some answers.

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      Once You Are Fully Vaccinated What Can And Cant You Do

      Once vaccinated, CU Boulder faculty, staff and students should continue to follow campus health and safety guidelines as they pertain to masks, physical distancing, etc.

      However, within groups of those who have been vaccinated , it is entirely reasonable to relax some of those pre-vaccine precautions. For example, a small indoor gathering without masks would be a low-risk activity when amongst a group of fully vaccinated individuals. Visiting family members who are also vaccinated would be another reasonable activityand one that we are all longing for.

      If I Get A Coronavirus Vaccination Do I Still Have To Wear A Mask Physical Distance

      The CDC continues to monitor the spread of COVID-19 and makes recommendations for wearing face masks, both for those who are fully vaccinated as well as those who are not fully vaccinated.

      The CDC also recommends that masks and physical distancing are required when going to the doctors office, hospitals or long-term care facilities, including all Johns Hopkins hospitals, care centers and offices.

      Johns Hopkins Medicines current mask safety guidelines have not changed, and we still require all individuals to wear masks inside all of our facilities.

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      What Do We Know About Covid Vaccines And Preventing Transmission

    • Newcastle upon Tyne, UK
    • Vaccines that work against SARS-CoV-2 have helped change the course of the pandemic by reducing illness and hospital admissions. But Chris Stokel-Walker asks what we know about their impact on preventing transmission.

      The range of vaccines developed in record time by pharmaceutical companies and research laboratories have helped quell the worst effects of SARS-CoV-2. But much of the focus of research has been on effectiveness in preventing infection, illness, and hospital admission. What is less well measured is the impact of vaccination on preventing onward transmission.

      Fully Vaccinated Doesnt Mean Immune To Covid

      Would your allergy prevent you from getting the COVID-19 vaccine?

      At one point, we thought that being fully vaccinated meant we could leave our masks behind and go back to the normal that weve been longing for. The new COVID-19 variants have pretty much killed that dream. Dr. Cardona says now is not the time to let your guard down. While the vaccines are potent, theres still a chance that you could become infected.

      Fully vaccinated means that you completed a COVID-19 vaccine series as recommended for the best protection against severe complications such as hospitalizations and/or death. No vaccine offers 100% protection against illness, yet it does give you a better chance to fight off the infectious consequences of being exposed to the SARS-CoV2 virus.

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      How Long After Vaccination Are You Protected Against Covid

      • You are well protected against COVID-19 from 7 days to 14 days after the second vaccination. You may still get COVID-19 after the first vaccination with Pfizer, Moderna or AstraZeneca because your immune response to the virus is not yet fully developed. After the second vaccination, there is a much lower risk of becoming ill, because you are better protected. That is why it is important to get the second vaccination as well. See four reasons why the second vaccination is so important on .
      • You are also sufficiently protected against COVID-19 28 days after one vaccination with the Janssen vaccine.
      • You are also sufficiently protected against COVID-19 14 days after one vaccination with another vaccine, if you had already had COVID-19 before receiving that vaccination.

      The vaccination also protects the people around you. You can still become infected if you have been vaccinated. However, you are far less likely to be contagious than if you had not been vaccinated. The main way to minimise the risk to the people around you is to wait at least 14 days after receiving your second vaccination with the Pfizer, Moderna or AstraZeneca vaccines, or at least 28 days after receiving a vaccination with the Janssen vaccine. Even after vaccination, you can still develop symptoms that could indicate COVID-19. Read more about that possibility and about testing and quarantine in the dossier on Quarantine and isolation.

      The Pfizer And Moderna Vaccines Are Mrna Vaccines What Does That Mean And How Are They Different Than Traditional Vaccines

      mRNA vaccines are just a different way to deliver the instructions to our immune system to recognize this virus and mount a response. Traditional vaccines use a virus that has been attenuated, or weakened, so they dont cause infection but trigger your body to develop antibodies toward it. Other vaccines, like the Johnson & Johnson vaccine, deliver a part of the SARS-CoV2 virus on an existing and harmless virus, called a vector.

      mRNA vaccines, instead of sending the virus or bits of virus, just send the blueprint for part of the virusthe spike protein. The blueprint gets inside your cells, which then manufacture the spike protein, and when the body detects it, your body generates an immune response. The mRNA has a short lifetime inside your cells and does not, as rumored, make any change to your DNA. Instead, your cells make the spike protein just long enough for your immune system to learn what the virus will look like if you are ever exposed and be ready to fight it off.

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      How Long Will Immunity Last

      According to Pfizer, initial results based on Phase 3 clinical trials in adults found the vaccine was:

      • 100% effective in preventing severe disease
      • 95% effective in preventing severe disease
      • 91% effective in providing immunity against COVID-19 for six months

      A November 2021 update focused on how effective the vaccine was in people ages 12 to 15. These results showed the vaccine was 100% effective against COVID-19.

      Further research on the Pfizer vaccine, also known as Comirnaty, supports its effectiveness. A November 2021 research review of studies on nine different COVID-19 vaccines developed around the world found that overall, the Pfizer and Moderna vaccines performed better than alternatives in preventing symptomatic disease.

      But Can I Still Get Infected With Covid

      Coronavirus Vaccine

      Its possible, but unlikely. Early evidence suggests that in the rare case that someone is infected after being fully vaccinated, they experience a milder course of illness than they would have otherwise. For instance, if you were to have a mild disease without the vaccine, you may be completely asymptomatic once vaccinated. If you would have been hospitalized, or even died, you may have a mild or moderate course of disease instead. The vaccine essentially defangs the virus.

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      The Facts About Covid

      Organization:Public Health Agency of Canada


      Vaccination is one of the most effective ways to protect your health. Vaccines work with the body’s natural defences to develop protection against a disease. COVID-19 vaccines provide instructions to your body’s immune system to recognize and fight off the virus that causes COVID-19.

      Free vaccines will be available to everyone who lives in Canada. Provinces and territories have developed detailed vaccination rollout plans for their residents.

      How Mrna Vaccines Work

      mRNA is a piece of genetic material that cells use as “instructions” to create certain proteins in the body. It is like a bit of computer code.

      When it’s not inside a cell, mRNA needs protection to keep it from disintegrating. This is why the vaccines require cold temperature storage. To keep the mRNA from disintegrating when it enters the body, the COVID-19 vaccines use fat bubbles to shuttle the mRNA to certain cells.

      The mRNA instructs these cells to create “spike proteins.” These proteins simulate part of the SARS-CoV-2 cell structure and trick the body into believing it’s infected with the virus.

      In the case of the mRNA vaccines, your body is never exposed to the germ but is still able to produce an effective immune response.

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      Can Fully Vaccinated People Still Transmit The Virus To Others Including Other Vaccinated People

      While it is possible, Dr. Cardona says that the ability to transmit COVID-19 may occur at a lower rate. She adds that this could also be a reality for people who dont have a good immune response to vaccines.

      The elderly, those with immune or chronic health conditions or those with underlying health disorders may not have the best protective response to vaccines, such as the COVID-19 vaccines. We are still collecting data and doing ongoing research about the vaccine responses in these vulnerable populations.

      Are These New Mrna Vaccines Safe

      Can You Still Get COVID-19 After Getting the Vaccine?

      Yes. Both the Pfizer and Moderna vaccines were approved for emergency use by the Federal Drug Administration . As part of the approval process, independent experts reviewed the data from approximately 33,000 individuals who received either vaccine and concluded that side effects were relatively mild and short-lived and the known and potential benefits of avoiding serious disease from coronavirus outweighed the risk. Since these vaccines have been approved, roughly 63 million doses have been administered and the vaccines continue to be monitored for safety.

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      What Is Immune Imprinting

      After someone encounters a virus for the first time, through infection or vaccination, the immune system remembers its initial response in a way that usually weakens the response to future variants of the same pathogen but may sometimes strengthen it. Proteins on the “spike”, which the virus uses to bind with human cells, play a key role.

      “Our first encounter with the spike antigen, either through infection or vaccination, shapes our subsequent pattern of immunity through immune imprinting,” said Professor Rosemary Boyton of Imperial College.

      The pattern has been observed for many years in flu and dengue virus, when it was usually called original antigenic sin. Studies are now demonstrating that it applies to Sars-CoV-2 too, although the effects are hard to pin down, according to Prof Altmann, who prefers the term “immune imprinting” to the biblical connotations of original sin.

      A study of 700 United Kingdom healthcare workers by the Imperial team, published last month in the journal Science, found that Omicron infection had little or no beneficial effect of boosting any part of the immune system – antibodies, B-cells or T-cells – among people who had been imprinted with earlier Sars-CoV-2 variants.

      “Omicron is far from a benign natural booster of vaccine immunity, as we might have thought, but it is an especially stealthy immune evader,” said Prof Altmann.

      Health Benefits Of Vaccination

      Vaccination is one of the most effective ways to protect our families, communities and ourselves against COVID-19.

      Evidence indicates that vaccines are very effective at preventing severe illness, hospitalization and death from COVID-19, including against Alpha and Delta variants of concern. However, theres a small percentage of the population who are vaccinated that will still be infected with COVID-19 if theyre exposed to the virus.

      Evidence indicates that people who are fully vaccinated with an mRNA vaccine are less likely to:

      • have COVID-19 with or without symptoms
      • spread COVID-19 to others

      People who have been fully vaccinated with a viral vector vaccine are less likely to:

      • have COVID-19 with symptoms
      • spread COVID-19 to others

      Vaccination is also the best prevention against post COVID-19 condition. This condition refers to symptoms some individuals experience for weeks or months after being infected with COVID-19. Symptoms can be very different from those during the initial infection.

      The condition can affect both adults and children.

      Learn more about:

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      Is It Ok To Get The Covid

      While there have been reports of severe allergic-type reactions in a very small number of patients, the CDC says that people with allergies to certain foods, drugs, insects, latex and other common allergens can still get the COVID-19 vaccine.

      If you have had a severe allergic reaction to injectables or other vaccines, be sure to discuss the COVID-19 vaccination with your doctor, who can evaluate you and assess your risk. The vaccine provider should observe you for 30 minutes rather than the routine 15 minutes after vaccination, and if you have an allergic reaction to the first shot, you may not receive the second.

      The CDC says that at this time, anyone who has a severe allergy to any of the vaccine ingredients should not get that vaccine.

      How Do We Know a COVID-19 Vaccine Will Be Safe and Effective?

      Can Pregnant Women Be Vaccinated

      What to do Before, During, and After Getting Your COVID Vaccine ...

      Although the large phase 3 trials of the Pfizer-BioNTech and Moderna Covid-19 vaccines did not include pregnant women, eligible pregnant women may be vaccinated. The two mRNA vaccines are not contraindicated during pregnancy. Pregnant women should consider the risks of Covid-19, which may be more severe in pregnant women, and the uncertain risk of vaccination. More information on the safety and efficacy of Covid-19 vaccines in pregnant women will become available over time.

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      Will I Be Able To Get The Coronavirus Vaccine At The Same Time As Other Vaccines

      The CDC recommendations allow people to get COVID-19 vaccines at the same time as other vaccines. This decision was made due to experience with more than one vaccine given close in time with COVID-19 vaccines during emergency situations and with more understanding of the effects of the COVID-19 vaccines, suggesting a low likelihood of interference. However, studies will continue to monitor responses during these situations to ensure that unexpected events do not occur. The CDC change also took into account the increased susceptibility of individuals who missed routinely recommended vaccines during the pandemic. If an individual is uncomfortable getting both vaccines at once and can conveniently return for a second visit, the vaccines can be separated by two weeks, but if the individual cant return in a timely manner, it is acceptable to give both vaccines at the same visit but in separate locations.

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