Diseases, Conditions, Syndromes

CDC changes course on indoor masks in some parts of the US

The Centers for Disease Control and Prevention changed course Tuesday on some masking guidelines, recommending that even vaccinated people return to wearing masks indoors in parts of the U.S. where the delta variant of the ...

Diseases, Conditions, Syndromes

COVID-19 test results: What you need to know to understand them

Testing has been vital during the pandemic. Negative COVID-19 test results have allowed people the freedom to work and travel, while positive results have been used to isolate infected individuals and protect the wider community.

Diseases, Conditions, Syndromes

CDC director says mask turnaround based solely on science

The head of the Centers for Disease Control and Prevention on Sunday defended the decision to ease mask-wearing guidance for fully vaccinated people, stressing that increasing political pressure had nothing to do with the ...

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