Dr. David Hirschwerk discusses the safety of reopening schools and vaccines

As cases of coronavirus soar around the country, we are reminded that there is still no immunity to the virus, and we are being encouraged to social distance, or wear a mask.
News 12's Elizabeth Hashagen is joined by Dr. David Hirschwerk to discuss the safety of opening schools and when there will be a vaccine.
Dr. David Hirschwerk is an infectious disease specialist and vice chair of medicine at Northwell Health's North Shore University Hospital.
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