5 mayo 2015
Spending time with other people is a cure for loneliness. But being a member of a vaccinated community has an important added benefit: preventing the spread of vaccine-preventable infectious diseases. The current concern over outbreaks of measles in the United States provides valuable lessons about how vaccinations are effective across a broad community.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/yozAvHKGEw4/150505182610.htm
