Some vaccines support evolution of more-virulent viruses
Public Release: 27-Jul-2015 PLOS Scientific experiments with the herpes virus strain that causes Marek's disease in poultry have confirmed, for the first time, the highly controversial theory that some types of vaccines allow for the evolution and survival of increasingly virulent versions of a virus, putting unvaccinated individuals at greater risk of severe illness. The…
United States United Kingdom Venugopal Nair Penn State University Sciences Research Council National Institutes Of Health
Source: engineeringevil.com