Some Are Chasing Extra Vaccine Shots, While Scientists Debate July 29, 2021 Auto Bot Africa, AstraZeneca PLC, Centers for Disease Control and Prevention, Clinical Trials, Coronavirus (2019-nCoV), CVS Caremark Corporation, Ethics and Official Misconduct, Great Britain, Johnson & Johnson, Moderna Inc, Pfizer Inc, United States, Vaccination and Immunization, Walgreen Co, World Health Organization 0 Boosters may not be necessary yet, many experts say, and the pursuit of additional shots raises ethical questions.
