Novavax vaccine has 96% efficacy against original COVID-19 strain, 55.4% against South Africa variant

Vaccine developer Novavax announced on Thursday that its vaccine offers high levels of protection against the original coronavirus strain that causes COVID-19, but the vaccine’s efficacy is diminished by some coronavirus variants, including one that originated in South Africa.

New test is underway for Johnson & Johnson COVID-19 vaccine

Hear from a man who participated in Johnson & Johnson's two-dose COVID-19 vaccine trial, to see if it's more effective than one.

Fauci says CDC to release more guidance on what vaccinated people can safely do

For now, the U.S. Centers for Disease Control and Prevention still doesn’t recommend traveling, even if you’ve been fully vaccinated against COVID-19. But Dr. Anthony Fauci says that could be changing.

CDC director on COVID-19 pandemic 1-year mark: ‘We are tired, we are lonely, we are impatient’

The head of the CDC issued a statement on the one-year anniversary of the COVID-19 pandemic, while acknowledging the heartbreaking toll of a health crisis that has claimed the lives of more than 520,000 Americans.

Will COVID-19 ever go away?

No one knows for sure. Scientists think the virus that causes COVID-19 may be with us for decades or longer, but that doesn’t mean it will keep posing the same threat.

Biden announces U.S. is buying 100M additional doses of J&J COVID-19 vaccine

President Joe Biden announced Wednesday the U.S. is buying an additional 100 million doses of the single-shot Johnson & Johnson coronavirus vaccine.

'COVID arm': Dermatologists observe delayed skin reactions after vaccination

A delayed red, sometimes bumpy rash has been observed in vaccinated people. Dermatologists have named the condition “COVID arm” and say it’s no reason to avoid vaccination.

Infectious disease expert urges Texans to still wear a mask

As statewide COVID-19 restrictions end, an infectious disease expert is urging Texans to continue to wear a mask.

Alaska becomes 1st state to open COVID-19 vaccine to anyone 16 or older

Alaska has become the first state in the country where eligibility requirements were dropped for the COVID-19 vaccine. Now, anyone 16 and older who lives or works in the state can get it.

Smithsonian collects vial from first US coronavirus vaccine dose

As the nation marks the one-year anniversary of the novel coronavirus’ arrival in the U.S., the Smithsonian National Museum of American History has collected artifacts from the effort that could signal the beginning of the end of the pandemic.

‘Educate yourself’: Mom warning parents of MIS-C’s link to COVID-19 after son’s near-death experience

MIS-C is an illness seen in some young children after they've recovered from COVID-19. Rohen was in the hospital for days and still has months of recovery ahead of him - and his mother is sharing their harrowing experience as a warning to other parents.