- What You Need to Know
- Getting Tested
- CDC Vaccine Data Tracker
Vaccine Rollout as of Aug 10:
Total Distributed: 21,644,885. Total Administered: 17,297,780.VA Vaccine DashboardCDC COVID-19 Vaccines
Visit your state's vaccine dashboard to learn more about their distribution guidelines. The CDC also has updated information on COVID-19 vaccines, including recommendations processes, differences about the different types, their benefits, safety data, and frequently asked questions.Crisis Text Line
- What You Need to Know
O dds are, you’ve had COVID-19—whether you know it or not. Almost 60% of people in the U.S. have antibodies in their blood that suggest they’ve been infected by SARS-CoV-2, the virus that ...
How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain Two immunologists explain Published: February 25, 2022 8.45am EST
How long does natural immunity last after a COVID-19 infection? Early on, researchers thought that natural immunity to COVID-19 only lasted for about 2 to 3 months before fading. As the pandemic continued, experts started finding evidence that natural immunity could last for almost a year after infection.
In Phase 3 studies, both the Pfizer-BioNTech and Moderna vaccines were found to be 95% effective in the early months after the vaccine. Put simply, “If there were 100 people who would have gotten COVID, it prevented 95 of them from getting it, but it didn’t prevent all 100,” says Dr. Marks.
How Long Does Immunity From Omicron Last? The information in this article is current as of the date listed, which means newer information may be available when you read this. For the most recent updates on COVID-19, visit our coronavirus news page .
Yet it remains unknown how long vaccine immunity against COVID-19 will last, or how the vaccines would perform against B.1.1.529 (Omicron) and other potential variants of the virus in the future. This article explores research on the vaccines and what is known about the immunity they provide.
Unlike the beginning of the pandemic, COVID-19 reinfections are no longer uncommon, with more new variants emerging and leading to questions about immunity. The omicron variant has led to a major ...
The Omicron variant, for example, largely evades immunity from past infection and vaccines. A recent report from Imperial College London estimates that the risk of reinfection with Omicron is 5.4 ...
When it comes to the pandemic, it’s been a long winter — one of record-breaking COVID-19 infections and hundreds of thousands of lives lost. And throughout it, one thing has become clear: A booster shot is key to avoiding the ravages of the now-dominant omicron variant.
None of the vaccines will cause a COVID test to become positive. A pharmacist told my daughter that since she and her family all had COVID-19 last December, they were safe from getting again for ...