Polio Vaccine (developed by Jonas Salk)

The polio vaccine, developed by Jonas Salk in 1955, is designed to protect against poliovirus, which can cause paralysis or death. It works by introducing harmless parts of the virus into the body, stimulating the immune system to recognize and fight the virus if exposed later. There are two types: the inactivated (killed) polio vaccine (IPV), given via injection, provides long-lasting immunity and is used worldwide. The vaccine has dramatically reduced polio cases globally, nearly eradicating the disease. It’s a safe and effective way to prevent polio and protect individuals and communities from its severe consequences.