#COVID19 #Vaccine #Aspect #Results #Distribution #Variations #Coronavirus #Vaccines [ad_1] Because the U.S. awaits information of the COVID-19 vaccine, UC Davis Chief of Pediatric Infectious Ailments Dean Blumberg gives an replace on the distribution, unintended effects and variations between the vaccines by Pfizer, Moderna and AstraZeneca. For the newest data and assets on COVID-19, go to