Warning! 239 scientists from 32 Countries have written a joint letter to the World Health Organization saying they have it wrong.   That guidance on Covid19's spread is wrong. The W.H.O. says the virus is spread by heavy droplets emitted by a cough or sneeze and quickly fall to the floor or ground. But many scientists now believe the virus is airborne, staying in the air in enclosed areas such as planes and restaurants.   And, that we need to rethink how we deal with the spread of the pandemic.

Award winning and World Affairs Correspondent Dana Lewis based in London, talks to epidemiologist Archie Clements and what we know and why the spread hasn't slowed in America and elsewhere. 

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