There are three types of plague infection — bubonic, septicemic and pneumonic — and all are caused...
History of Vaccines
Many vaccines were developed and used during the 1918–1919 pandemic. Synopsis The influenza pandemic of 1918–1919 dramatically...
A vaccine tricks the body’s immune system into producing antibodies to fight a form of the virus...
Inoculation spread all over the world and revolutionized the field of vaccination against several other infectious diseases....