COVID-19 Vaccine TrackerScience-based information to help you stay informed about the safety and availability of a COVID-19 vaccine
The Path to Defeating COVID‑19
As the trusted champion for lung health, the American Lung Association is focused on slowing the spread and defeating COVID-19. To further protect the overall population and those most vulnerable, we need a sufficiently high proportion of the population to get vaccinated to stop coronavirus transmission. The introduction of COVID-19 vaccines gives us hope.
We encourage everyone to consider getting a vaccine once one is available to them.
Get answers to common and evolving questions around a COVID-19 vaccine.
Yes. So far, studies suggest that the currently available vaccines work on variants circulating across the U.S. and globe. Many of the more common variants allow the virus to spread more easily, making it especially important to get vaccinated as soon as possible. If you are not yet fully vaccinated, protect yourself by following recommendations for wearing a face mask and maintaining social distance. And maintain good health practices such as washing your hands and avoiding unnecessary exposure to people who are sick.
You can view reports from the CDC showing which variants are currently most common in the United States.
You may. People with moderately to severely compromised immune systems are especially vulnerable to COVID-19 and may not build the same level of immunity to a two-dose vaccine series compared to people who are not immunocompromised. For these individuals, CDC recommends an additional dose of mRNA COVID-19 vaccine at least 28 days after a second dose of the Pfizer-BioNTech or Moderna COVID-19 vaccine for these individuals.
A vaccine booster is now also recommended if you received the Pfizer-BioNTech vaccine, are over 65 and/or are at higher risk of serious complications from the disease to speak with your healthcare provider about getting a Pfizer COVID-19 booster vaccine.
For more information on booster doses visit the Centers for Disease Control and Prevention website.
While there is no preference to the three available vaccines, they are not interchangeable. If you begin your vaccination series with the Pfizer vaccine your second dose should be Pfizer, and if you begin with the Moderna vaccine your second dose should be Moderna. The Johnson & Johnson vaccine requires only one dose.
The American Lung Association urges members of the public to always consult with their own healthcare providers about whether this or any vaccine is appropriate for them.
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Page last updated: October 4, 2021