CNBC: Delta variant is one of the most infectious respiratory diseases known, CDC director says

CNBC: Delta variant is one of the most infectious respiratory diseases known, CDC director says. “The delta Covid variant is one of the most infectious respiratory diseases ever seen by scientists, the director of the Centers for Disease Control and Prevention said Thursday. The variant is highly contagious, largely because people infected with the delta strain can carry up to 1,000 times more virus in their nasal passages than those infected with the original strain, according to new data.”

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