Log in | Register | Family Filter: On  | 
 
 
Recently Added Most Popular Top Rated Most Discussed Top Favorites Runtime
   
Study Identifies Problem in Polio Vaccine

Rate this Video

0 Ratings

This video has no comments yet.

Log in to your account or sign up to post your comments.


Member: MaestroSersea  
videos: 1728     subscribers: 0     channels: 1
Description: Researchers say changes in the polio virus were to blame for hundreds of deaths in the Republic of Congo in 2010.nrOriginally published at - http://learningenglish.voanews.com/media/video/study-identifies-problem-in-polio-vaccine/2455999.html
Category: Health and Medicine
Tags: Study Identifies Problem in Polio Vaccine
Added: Sep 24, 8288 Runtime: 0 min 0 sec
Views: 126  |  Downloads: 0  |  Favorited: 0

Link

Embed Code


 

Social Bookmarks

Related Videos