Why do some people still get COVID-19 after being fully vaccinated?
Why do some people still get COVID-19 after being fully vaccinated?
COVID-19Common questionWhy do some people still get COVID-19 after being fully vaccinated?Because vaccines are not 100% effective, as the number of people who are fully vaccinated goes up, the number of vaccine breakthrough infections will also increase. However, the risk of infection remains much higher for unvaccinated than vaccinated people.
How long do antibodies last after COVID-19 infection?
COVID-19Common questionHow long do antibodies last after COVID-19 infection?Dr. Finstad: It appears that antibodies to SARS-CoV-2 last for at least several months. One SeroNet study found that people who had mild to moderate COVID-19 had neutralizing antibodies for at least 5 months. Another found similar results—people who recovered from COVID-19 had neutralizing antibodies for 6 months.
Do people who have had COVID-19 have more side effects with the vaccine?
COVID-19Common questionDo people who have had COVID-19 have more side effects with the vaccine?If you had COVID-19 before being vaccinated, the first injection may cause more noticeable side effects than for people who have not had the coronavirus. If you have never had COVID-19, you may notice more side effects after the second dose than after the first dose.Nov 9, 2021
Is COVID-19 vaccination still necessary, even after getting the disease and recovering?
COVID-19Common questionIs COVID-19 vaccination still necessary, even after getting the disease and recovering?Re-infection with COVID-19 occurs, although it is relatively rare. Also, at this point we do not know precisely how long people are naturally protected from getting COVID-19 again after clearing an infection. Follow-up periods for previously-infected individuals are not yet long enough to be able to draw conclusions on the duration of protection against infection beyond six months after infection. As a result, COVID-19 vaccination is recommended even for those who have recovered from the disease.
Who should not take the Pfizer-BioNTech COVID-19 vaccine?
COVID-19Common questionWho should not take the Pfizer-BioNTech COVID-19 vaccine?If you have had a severe allergic reaction to any ingredient in the Pfizer-BioNTech COVID-19 vaccine (such as polyethylene glycol), you should not get this vaccine. If you had a severe allergic reaction after getting a dose of the Pfizer-BioNTech COVID-19 vaccine, you should not get another dose of an mRNA vaccine.
Is it safe to get the COVID-19 vaccine if I have chronic liver disease?
COVID-19Common questionIs it safe to get the COVID-19 vaccine if I have chronic liver disease?Patients with chronic liver disease can receive the COVID-19 vaccine as soon as it is available to them. Although the immunogenicity of vaccines has not been fully described in this population, vaccination has been associated with lower risk of COVID-19 in patients with cirrhosis.
Should you get the Covid vaccine if you have an autoimmune disease?
COVID-19Common questionShould you get the Covid vaccine if you have an autoimmune disease?The American College of Rheumatology COVID-19 Vaccine Clinical Guidance recommends that people with autoimmune and inflammatory rheumatic disease (which includes lupus) get the vaccine unless they have an allergy to an ingredient in the vaccine.
Can I get the COVID-19 vaccine if I have an underlying condition?
COVID-19Common questionCan I get the COVID-19 vaccine if I have an underlying condition?People with underlying medical conditions can receive a COVID-19 vaccine as long as they have not had an immediate or severe allergic reaction to a COVID-19 vaccine or to any of the ingredients in the vaccine. Learn more about vaccination considerations for people with underlying medical conditions. Vaccination is an important consideration for adults of any age with certain underlying medical conditions because they are at increased risk for severe illness from COVID-19.
How is the Novavax vaccine different from other COVID-19 vaccines?
COVID-19Common questionHow is the Novavax vaccine different from other COVID-19 vaccines?While other vaccines trick the body's cells into creating parts of the virus that can trigger the immune system, the Novavax vaccine takes a different approach. It contains the spike protein of the coronavirus itself, but formulated as a nanoparticle, which cannot cause disease.
How does the Novavax COVID-19 vaccine work?
COVID-19Common questionHow does the Novavax COVID-19 vaccine work?The Novavax vaccine uses a telltale piece of the coronavirus: the notorious spike protein. All alone, the spike protein is harmless and can't cause COVID-19. When your immune system encounters the lonely spike protein, it produces antibodies against it. This gives you protection against future COVID-19 infection.
Who is eligible to take the Janssen COVID-19 vaccine?
COVID-19Common questionWho is eligible to take the Janssen COVID-19 vaccine?Janssen COVID-19 Vaccine is available under EUA as a single primary vaccination dose for individuals 18 years of age and older and as a single booster dose for individuals 18 years of age and older at least two months after completing primary vaccination with the vaccine.4 days ago
Are you required to get a COVID-19 test to fly back to the U.S.?
COVID-19Common questionAre you required to get a COVID-19 test to fly back to the U.S.?Air passengers traveling to the US are required to present a negative COVID-19 test result or documentation of recovery. Airlines must confirm the negative test result or documentation of recovery for all passengers before boarding.
Do you have to be vaccinated against COVID-19 to fly within the US?
COVID-19Common questionDo you have to be vaccinated against COVID-19 to fly within the US?If you're fully vaccinated and planning to travel within the U.S., you won't need to be tested for COVID-19 or self-quarantine, according to the latest guidance from the CDC. But those who aren't fully vaccinated are advised to get tested with a viral test one to three days before embarking on a trip.
Can I travel internationally during the COVID-19 pandemic?
COVID-19Common questionCan I travel internationally during the COVID-19 pandemic?CDC recommends delaying international travel until you are fully vaccinated.