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美国CDC:梅毒患者数量飙升,创1950年来新高
梅毒 淋病 沙眼病
2024/2/4
2022年,美国统计了250多万例梅毒、淋病和沙眼病病例。过去5年中,梅毒病例(包括所有阶段以及先天性感染)增加了80%,其中通过母婴传播的先天性病例比2018年“令人震惊地”增长了937%。
MIT, CDC find H1N1 flu virus ill-suited for rapid transmission--But researchers say new strain bears watching, could mutate
H1N1 rapid transmission flu viruses
2009/7/6
A team from MIT and the Centers for Disease Control has found a genetic explanation for why the new H1N1 "swine flu" virus has spread from person to person less effectively than other flu viruses.The ...