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Illustration: Sarah Grillo/Axios

Outbreaks of the respiratory infection known as MIS-C, which affects children who have contracted COVID-19, trailed a few weeks behind the coronavirus, ultimately following its path from cities out into more rural areas, according to a new study published in JAMA Pediatrics.

Why it matters: Although children are at a very low risk for severe COVID-19 infections, the lingering effects of MIS-C can be more serious.

By the numbers: The CDC has identified 3,185 cases of MIS-C since the onset of the pandemic. 36 children have died.

Details: The JAMA study found that peaks of MIS-C infection followed two to five weeks behind peaks in COVID-19 cases.

  • About 60% of the children in that analysis were admitted to intensive care units. Common symptoms included abdominal pain, vomiting, diarrhea, well as skin rash, low blood pressure and heart problems.
  • Most of those cases stemmed from asymptomatic COVID-19 infections.

The bottom line: Widespread vaccination is making the pandemic far less deadly, but rising COVID-19 cases still have consequences.

Go deeper

Biden sets new April 19 deadline for all adults to be eligible for vaccine

President Biden. Photo: Michael Reynolds/EPA/Bloomberg via Getty Images

President Biden will announce Tuesday that he is moving up the deadline for states to make all American adults eligible for a coronavirus vaccine to April 19, CNN first reported and Axios has confirmed.

Why it matters: The announcement means states will be pressured to make all Americans 16 years and older eligible for the vaccine two weeks earlier than the original May 1 deadline, reflecting a growing confidence in the U.S. vaccination campaign.

Updated Apr 7, 2021 - World

Brazil's daily COVID death toll tops 4,000 for first time

Cemetery workers carry a coffin during the burial of a COVID-19 victim at the Sao Joao municipal cemetery in Porto Alegre, Brazil, on March 26. Photo: Silvio Avila/AFP via Getty Images

Brazil confirmed more than 4,000 COVID-19 deaths in a 24-hour period for the first time on Tuesday, the health ministry announced.

Why it matters: A surge in cases and deaths, driven in part by relaxed mitigation measures and a more contagious local variant, has overwhelmed the country's health system.