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Coronavirus (booster) FAQ: Can it cause a positive test? When should you get it?

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Goats and Soda

Coronavirus (booster) FAQ: Can it cause a positive test? When should you get it?

October 4, 2022 • There is a lot of information about coronavirus vaccines out there, and some of it seems vague or contradictory. We talked to experts to help answer some of the most common and confusing questions.

The real COVID surge is (much) bigger than it looks. But don't panic

People walk past a COVID testing site on May 17 in New York City. New York's health commissioner, Dr. Ashwin Vasan, has moved from a "medium" COVID-19 alert level to a "high" alert level in all the five boroughs following a surge in cases. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images

Shots - Health News

The real COVID surge is (much) bigger than it looks. But don't panic

May 27, 2022 • Thanks to at-home testing, official reports are missing a lot of the COVID cases circulating now. Is the U.S. in the midst of an invisible surge? Here's how to assess the situation where you live.

Why rapid COVID tests aren't more accurate and how scientists hope to improve them

Rapid tests can help you figure out whether you have been infected with the coronavirus. But how accurate are they? Scientists are trying to find out whether they are less sensitive to omicron and why. Joseph Prezioso/AFP via Getty Images hide caption

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Joseph Prezioso/AFP via Getty Images

Shots - Health News

Why rapid COVID tests aren't more accurate and how scientists hope to improve them

January 23, 2022 • Recent research and anecdotes suggest some people are testing negative on rapid tests even after they have symptoms, then later testing positive. Here's what researchers think is going on.

A guide to COVID tests: When to test, what kind to use and what your results mean

COVID-19 rapid tests are distributed in Brooklyn in late December. Self-tests are in short supply in many parts of the country. Bryan R. Smith/AFP via Getty Images hide caption

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Bryan R. Smith/AFP via Getty Images

Shots - Health News

A guide to COVID tests: When to test, what kind to use and what your results mean

January 6, 2022 • We answer key questions about COVID tests: What types are there? Should you self-test right after exposure to someone with COVID? And what should you do if you test positive?

The Bill For His COVID Test In Texas Was A Whopping $54,000

Travis Warner of Dallas got tested for the coronavirus at a free-standing emergency room in June 2020 after one of his colleagues tested positive for the virus. The emergency room bill included a $54,000 charge for one test. Laura Buckman for KHN hide caption

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Laura Buckman for KHN

Shots - Health News

The Bill For His COVID Test In Texas Was A Whopping $54,000

Kaiser Health News

September 30, 2021 • A businessman from Dallas got a PCR test for the coronavirus at a suburban emergency room. The charge for his test was "egregious" but not illegal, say health care analysts. Here's what happened.

The Bill For His COVID Test In Texas Was A Whopping $54,000

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After 'Severe' Delays, 6 States Band Together To Buy Coronavirus Tests

Six states have an agreement to acquire fast-result antigen tests for the coronavirus. Here, a medical worker collects a sample after a patient self-administers a nasal swab test. John Minchillo/AP hide caption

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John Minchillo/AP

Coronavirus Updates

After 'Severe' Delays, 6 States Band Together To Buy Coronavirus Tests

August 4, 2020 • Six states will purchase 3 million rapid tests, and more states may join the consortium. Maryland, Virginia, Louisiana, Michigan, Ohio and Massachusetts want to stem a severe testing shortage.