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herd

Covid-19: How A lot Herd Immunity is Sufficient?

The study found that 1,064 of the 1,568 seafarers on board, or about 68 percent, had tested positive for the virus.However, the airline returned to port during the outbreak and the crew was quarantined. Therefore, it was unclear whether…

How A lot Herd Immunity Is Sufficient?

The study found that 1,064 of the 1,568 seafarers on board, or about 68 percent, had tested positive for the virus.However, the airline returned to port during the outbreak and the crew was quarantined. Therefore, it was unclear whether…