This is only one of the many vaccines under development worldwide. Other trials are underway in China and Britain, and final tests have started in Brazil and other countries.
from WebMD Healthhttps://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/article_thumbnails/video/test_your_adult_vaccine_video/650x350_test_your_adult_vaccine_video.jpg https://ift.tt/30Rrv4b
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