Nurse Teri 🇺🇦🇬🇱 👩🏽⚕️ 👊🏼 🐸 9 months ago
After 6,000 people died from whooping cough in 1932, three women stepped forward to find a vaccine. When it was ready for testing in 1934, parents volunteered their children in droves, hoping to protect them from the deadly "100 day cough." Today, the vaccine saves half a million lives a year!