polio

Vaccination began with cowpox, a boy named James Phipps, and Edward Jenner in 1796. Discover how the science of immunization works and why it remains our most powerful public health tool.

Enterovirus D68 usually causes cold-like illness but can severely worsen asthma and, rarely, is linked to polio-like paralysis (AFM). Evidence explained.

How poliovirus infects the gut, destroys spinal motor neurons, and why wild type 1 and vaccine-derived strains persist, with 2026 case data from GPEI.

How the polio vaccines developed by Salk and Sabin eradicated polio from most of the world, and why two countries still report wild cases.