Centers for Disease Control and Prevention Director Rochelle Walensky says ahead of a House Select subcommittee hearing on “Reaching the Light at the End of the Tunnel: A Science-Driven Approach to Ending the Pandemic Quickly and Safely” at the Capitol Hill in New York from Washington, DC, April 15, 2021.
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US health officials have so far confirmed fewer than 6,000 “breakthrough” cases of Covid-19 in fully vaccinated Americans, Rochelle Walensky, director of the Centers for Disease Control and Prevention, said Monday.
None of the patients died or became seriously ill, which suggests the vaccines were working as intended, she said.
“We expect such rare cases with any vaccine, but so far we have received reports of fewer than 6,000 breakthrough cases from more than 84 million people who have been fully vaccinated,” she told reporters at a news conference. Breakthrough cases occur when someone becomes infected with the virus more than 14 days after the second shot, she said.
The CDC chief admitted the number could be underestimated.
“Although that number comes from 43 states and territories and is likely and underestimated, it is still a very important point. These vaccines are working. Of the nearly 6,000 cases, about 30% had no symptoms at all,” said Walensky.