A Harvard doctor says the dozens of passengers sickened on international flights are a clear 'warning shot' of a worst-case scenario
10:28am PDT - September 7th, 2018 the good doctor - Business InsiderThe Centers for Disease Control and Prevention is investigating illnesses that sickened dozens of passengers on three separate international flights headed into the US this week. It looks like many of the sick passengers were traveling from Mecca, where the H…