What they're saying: "All this is good news," said Rochelle Walensky, director of the Centers for Disease Control and Prevention, during a briefing Wednesday. Big Number29,099,393. There are an average of 1,663 deaths per day, as of Tuesday, Times data showed, representing a decline of 20% over the past two weeks. A new study shows that Pfizer and Moderna vaccines are less effective against the South African variant of the virus. President Joe Biden last week blasted the decisions of the governors of Texas and Mississippi to lift restrictions as Neanderthal thinking.Key BackgroundThe drop in Covid cases over the past two months comes as vaccination efforts have ramped up.
Public health officials are helping everyone to fight the virus.
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Public health officials are helping everyone to fight the virus .
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