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According to a study published by the US Centers for Disease Control and Prevention

When the Delta variant dominated, vaccination and prior infection protected against Covid-19, but vaccination was safest, study finds

By Deidre McPhillips, CNN When the Delta variant was dominant in the United States, both vaccination and prior infection helped protect against Covid-19, but vaccination was the safest way to be protected, according to a study published Wednesday by the US Centers for Disease Control and Prevention. The data included in the study was collected

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According to a study published by the US Centers for Disease Control and Prevention

When the Delta variant dominated, vaccination and prior infection protected against Covid-19, but vaccination was safest, study finds

By Deidre McPhillips, CNN When the Delta variant was dominant in the United States, both vaccination and prior infection helped protect against Covid-19, but vaccination was the safest way to be protected, according to a study published Wednesday by the US Centers for Disease Control and Prevention. The data included in the study was collected

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A medic prepares a dose of the Pfizer-BioNTech vaccine against the coronavirus at a private nursing home in the Israeli central coastal city of Netanya on January 5

Fourth vaccine dose boosts antibodies, researchers say, but likely not enough to prevent Omicron breakthrough infections

By Jacqueline Howard, CNN Early data out of Israel suggests that a fourth dose of either the Pfizer/BioNTech or Moderna coronavirus vaccine can bring an increase in antibodies — more than what’s been seen after a third dose — but it still might not be enough to protect against breakthrough infections caused by the Omicron

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3M Performance Particulate Respirator 8210Plus N95s are arranged for a photograph in New York state on July 29

The CDC updated its mask guidelines. What to know about ‘the highest level of protection’

By Kristen Rogers, Parija Kavilanz and Amanda Sealy, CNN The US Centers for Disease Control and Prevention has changed its mask guidelines to recommend that people “wear the most protective mask you can that fits well and that you will wear consistently.” The agency describes well-fitting respirators approved by the National Institute of Occupational Safety

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