According to a World Organization report MMR Vaccine Appears to Confer Strong Protection from COVID-19: Few Deaths from SARS-CoV-2 in Highly Vaccinated Populations, nearly all countries with few or no deaths from COVID-19 have also had large measles-rubella vaccination programs in recent years. The United Nations Office for the Coordination of Humanitarian Affairs reported that as of January 10, 2020, 82 percent of the population of American Samoa had been immunized with the MMR vaccine in re...