Early in the beginning of the COVID-19 pandemic, scientists predicted the coronavirus would mutate slowly. They were wrong. Hundreds of thousands of viral mutations and multiple seasonal waves later, ...

COVID-19 vaccination reduces the risk of death from COVID-19. Social media posts have misused survey data and adverse events reports to falsely claim that COVID-19 vaccines have killed more people ...

A summer wave of COVID-19 is rising. “There’s clearly a bump,” says William Schaffner, an infectious diseases expert at Vanderbilt University Medical Center in Nashville. The medical center has seen a ...

Este artículo estará disponible en español en El Tiempo Latino. Updated COVID-19 vaccines targeting JN.1-lineage omicron variants of the coronavirus are now available in the U.S. for the fall and ...

Five years ago, on March 11, 2020, the World Health Organization declared COVID-19 a pandemic. Whether it still is depends on who you ask. There are no clear criteria to mark the end of a pandemic, ...

Dr. Pappas can be contacted at [email protected]. This letter was published on July 9, 2025, at NEJM.org. No potential conflict of interest relevant to this letter was reported. Zhang B, Thacker D, ...

US residents’ ability to get COVID-19 vaccines this fall is about to change as US Food and Drug Administration leaders shift away from a one-size-fits-all approach, raising concerns among vaccine ...

Changes in the vaccine advisory process in the United States have disrupted immunization guidance, which reinforces the need for independent evidence review to inform decisions regarding immunization ...

Although there is less certainty about the future of COVID-19 vaccines this fall and in the long term, one thing is clear: complacency and stasis are not options. We must continue to prioritize ...

Although hantavirus can be deadly, researchers say the virus behaves very differently from COVID-19 and is easier to contain ...