"When you inoculate children with polio vaccine, you don’t sleep well for two or three months."
American virologist & medical researcher Jonas Salk was born #OTD in 1914. He developed the first safe & effective vaccine for poliomyelitis.
"When you inoculate children with polio vaccine, you don’t sleep well for two or three months."
American virologist & medical researcher Jonas Salk was born #OTD in 1914. He developed the first safe & effective vaccine for poliomyelitis.
