Other drug makers have begun similar trials of their Covid-19 vaccines. If they work in children younger than 12 as expected, it will be easier for the U.S. to reach herd immunity.Other drug makers have begun similar trials of their Covid-19 vaccines. If they work in children younger than 12 as expected, it will be easier for the U.S. to reach herd immunity.your-feed-science, Clinical Trials, Vaccination and Immunization, Disease Rates, Coronavirus (2019-nCoV), Children and Childhood, AstraZeneca PLC, Johnson & Johnson, Moderna Inc, Pfizer Inc, United StatesRead More
