General Science Biology Human body

Polio vaccine was first developed by

1

Jonas Salk

2

Albert Sabin

3

Thomas Francis

4

Watson Home

Sponsored

hivanix.in

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters