Vaccine failure in China.
Recently, I came across an article that sheds a new perspective on the efficacity of the MMR vaccine. The article is entitled: “The declining antibody level of measles virus in China population, 2009–2015”. https://www.ncbi.nlm.nih.gov/pubmed/29186832 I tried to find out how long the immunity from the measles vaccine lasts, and surprisingly, I got different answers. The …