Biology Health and Disease Diseases

Who prepared the first effective vaccine against polio?

1
Robert Edwards
2
Jonas E.Salk
3
John Gibbson
4
Louis Pasteur

Sponsored

hivanix.in

Visit

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