Increased concerns about the perceived risk of vaccination, inconvenience, or religious tenets are leading more US parents to opt-out of vaccinating their children. Parents are increasingly able to do so in states that have relatively simple procedures for immunization exemption, report researchers at NYU Langone Medical Center in the July issue of Health Affairs. Some states, fearing a public health crisis, have responded by putting in place more burdensome procedures for parents of school-age...
Fuente : http://www.eurekalert.org/pub_releases/2013-07/nlm...
Fuente : http://www.eurekalert.org/pub_releases/2013-07/nlm...