Updates: U.S. surpasses 25M COVID-19 infections

  • California authorities were investigating the death of a person after the individual was vaccinated. The Placer County Sheriff said the person had tested positive for COVID-19 in December and received a vaccine several hours before the death occurred on Thursday.
  • About 17 percent of people in the U.S., or upward of 50 million people, have been infected with the coronavirus, according to a model by researchers at the University of Washington. They warned that the U.S. is likely only identifying about half of COVID-19 cases.
  • Dr. Deborah Birx, who served as coordinator for the White House coronavirus task force under President Donald Trump, told CBS News "Face the Nation" she "always" thought of quitting the job.
  • The CDC has updated its guidance on vaccinations to say the second dose of a two-shot vaccine can be administered up to 6 weeks after the first.

Staying Safe

What are the symptoms of coronavirus?

Here’s what to know about the symptoms and what to do if you have them. It's important to take precautions to protect not only your health, but also that of others.

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Will COVID-19 vaccines work on the new virus strains?

A coronavirus variant in the U.K. has caused alarm because it might spread more easily. But even if that turns out to be true, experts say the COVID-19 vaccines being rolled out will likely still work on the strain.

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Do I have a winter health issue or COVID-19?

From winter allergies to dry air, these are the differences between a seasonal problem and the coronavirus.

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Will the COVID-19 vaccine cause an allergic reaction?

The percentage of people who have actually experienced an allergic reaction to the Pfizer vaccine is low. Here's everything you need to know about vaccines and allergies.

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How can I persuade someone to get the COVID-19 vaccine?

Medical experts say vaccine-induced herd immunity is the best way to end the pandemic. Here's what everyday Americans can do to encourage their families, friends and community members to get the vaccine.

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Will travel bans help contain new coronavirus strains?

A newly identified variant of the coronavirus has led over 40 countries to impose travel restrictions against the United Kingdom, which registered a record number of daily cases.

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Am I immune to the coronavirus if I’ve already had it?

You have some immunity, but how much and for how long are still unanswered questions.

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What are the treatment options for COVID-19?

There are several treatment options, and which one is best depends on how sick someone is.

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How does the coronavirus affect the heart?

Even though it’s known as a respiratory virus, doctors believe the coronavirus can directly infect the heart muscle and cause other problems leading to heart damage.

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Public health glossary

What's the difference between quarantine and isolation? Here's a guide to the public health terms used in the coronavirus coverage.

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WHO's FAQ guide

See the World Health Organization's FAQ guide to get informed about the coronavirus.

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News near you

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U.K. Prime Minister Boris Johnson warns new COVID variant is more deadly

CBS News senior foreign correspondent Elizabeth Palmer reports from London on the global impacts of the ongoing coronavirus pandemic.
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