Vaccines today are more efficient and contain far fewer stimulants to the immune system than some used decades ago. your-feed-science, Vaccination and Immunization, Children and Childhood, Immune System, Whooping Cough, Smallpox, Bacteria, Proteins, Kennedy, Robert F Jr, Trump, Donald J, Centers for Disease Control and Prevention, Food and Drug Administration NYT > Health
Vaccines today are more efficient and contain far fewer stimulants to the immune system than some used decades ago.