Pediatric polio vaccination in India by a Stop Transmission of Polio (STOP) teams (2002)
Vaccinations are the best defense against a wide range of viruses, but they are not effective in treating active infections.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"417px-Vaccination-polio-india.jpg."
https://commons.wikimedia.org/wiki/File:Vaccination-polio-india.jpg
Wikimedia
Public domain.
