Scientists: Failure to Trust Vaccines Can Cause Spread of Disease – VOA Learning English (Sep 17, 2016)
Scientists: Failure to Trust Vaccines Can Cause Spread of Disease (3:37) http://av.voanews.com/clips/VLE/2016/09/15/9217e487-1e79-4cef-a86f-c4a818ab4764.mp3 Researchers say public mistrust of vaccines is causing […….]