Imagine a world in which hundreds of thousands of people are saved from death caused by diseases such as the measles or the flu. Or imagine saving the life of a loved one who is elderly, young, or either knowingly or unknowingly immunocompromised. Both of these are possible through vaccines. Measles and the flu are caused by the rubeola virus and various influenza viruses, respectively. Disease transmission is simply a competition for survival between the virus and the human host. Everyone wants the human host to win over the virus, and vaccination of every person who is eligible guarantees human victory.
Vaccines are effective. By introducing into the body either a weakened virus or particles that mimic the surface of the virus, vaccines
Vaccines are effective. By introducing into the body either a weakened virus or particles that mimic the surface of the virus, vaccines