The two vaccines that brought us to the brink of eradicating polio | Explained

The wild poliovirus is restricted to pockets of Afghanistan and Pakistan, and is beginning to reappear from here in big cities in these two countries

The two vaccines that brought us to the brink of eradicating polio | Explained

In 1948, microbiologists Enders, Weller, and Robbins discovered how to grow the poliovirus in non-nerve cell cultures, overcoming a long-standing belief that it required nerve cells. This breakthrough enabled mass production of the virus for vaccine research, addressing a critical obstacle in developing the polio vaccine and marking a significant advance in virology.