COVID-19

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How COVID-19 Changes the Immune System

By Jamie Ducharme

Updated COVID Shot Works on New Variants

By Alice Park

How to Get Free Flu and COVID-19 Tests and Treatments

By Alice Park

Vaccines Slash Long COVID Risk

By Jamie Ducharme
More in COVID-19

More Free COVID-19 Tests Are Available for Holiday Season

Americans can order more free COVID-19 tests online for home delivery.

By AMANDA SEITZ / AP

How to Handle COVID-19 This Winter

Stay safe from COVID-19, the flu, and RSV.

By Jamie Ducharme

Long COVID Research Needs a New Approach

A pair of public health experts argue that the current approach to Long COVID research is failing, and offer a radical new paradigm.

By Steven Phillips and Michelle Williams

Rebound Infections Occur in 20% of Paxlovid Users

According to a new study, one in five people who take Paxlovid to treat COVID-19 end up having a rebound infection.

By Alice Park

Long COVID Researchers Make Progress

They're getting closer to finding tests and treatments.

By Jamie Ducharme

Why Do Infants Seem to Avoid Severe COVID-19?

They aren’t immune, but serious illness is rarer among very young infants than among adults.

By Alice Park

Is COVID-19 Isolation Still Necessary?

What to know about the CDC's isolation guidance in 2023.

By Jamie Ducharme

Nobel Prize Awarded to mRNA Pioneers

Katalin Kariko and Drew Weissman discovered a key step toward making mRNA vaccines, leading to the COVID-19 vaccine and the Nobel Prize.

By Alice Park

Does It Matter Which COVID-19 Booster Shot You Get?

With a new booster available, it’s time to look at whether switching up your shots makes a difference in your immunity.

By Alice Park

What a Doctor Is Seeing In COVID Today

COVID-19 and how the body responds to it is changing thanks to vaccines and building immunity.

By Michael Daignault

Is It Flu, COVID-19, or RSV?

At-home testing is becoming a thing not just for COVID-19, but for seasonal flu and other infections. Here's what you need to know.

By Alice Park

What It Will Take to Avoid a Tripledemic This Winter

RSV, the flu, and COVID-19 are racing towards us this winter, but we have the tools to fight back and focus on the most vulnerable.

By Dr. Ashish K. Jha

Wastewater Will Now Track Opioid Trends

A wastewater surveillance company is expanding its program to track opioids in sewage.

By Alice Park

What to Know About the New COVID-19 Vaccine

The CDC recommends most people should get the updated COVID-19 vaccine, especially as hospitalizations from infections increase.

By Alice Park

COVID-19 Is Mutating In Deer

A new study reports why COVID-19 viruses living in deer could come back to haunt humans.

By Alice Park

Moderna Says Its New COVID-19 Vaccine Works For BA.2.86

The vaccine wasn’t designed to target this latest variant, but still prompts a strong immune response, the company reports.

By Alice Park
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