Chicken pox, the childhood affliction of earlier generations, has been largely neutralized by the varicella vaccine, according to a new study by the Kaiser Permanente Vaccine Study Center, which appears in the current online issue of Pediatrics.
Fuente : http://www.eurekalert.org/pub_releases/2013-04/kp-...
Fuente : http://www.eurekalert.org/pub_releases/2013-04/kp-...