2013-04-09 01:05
...."Liang Wannian stressed currently active vaccine research is basic research, if the disease mutation, lead The spread between people, in particular, is a large area of the crowd spread that the vaccine is necessary to produce, if only a sporadic, mainly derived from animals, then the number of the patient occurred only punctate, this time there is no need to vaccinate....http://news.dayoo.com/china/57400/201304/09/57400_109966629.htm
