Med Lett Drugs Ther. 2009 Oct 5;51(1322):77-8.
The FDA has licensed 4 new monovalent vaccines for prevention of respiratory illness caused by a new influenza A H1N1 virus that appears to be derived from a swine strain. The 5th vaccine should be licensed soon. All of these vaccines are expected to become available in October. An intranasal formulation is expected in the first week of October.
美国食品药品监督管理局（FDA）已批准4种新型单价疫苗，用于预防由一种似乎源自猪流感毒株的新型甲型H1N1流感病毒引起的呼吸道疾病。第5种疫苗预计很快也将获批。所有这些疫苗预计10月上市。鼻内用制剂预计10月的第一周上市。
