Bayern Munich's Jamal Musiala faces a lengthy spell on the sidelines after suffering a serious ankle injury during his side's ...

Kylian Mbappe (L) of Real Madrid scores with a volley during the quarterfinal match between Real Madrid (Spain) and Borussia ...

本文聚焦2024-2025年美国爆发的2.3.4.4b分支HPAI H5N1新型基因型B3.13和D1.1，首次揭示其通过野鸟迁徙传入并跨物种感染奶牛，引发乳腺炎和产奶量骤降。研究通过基因组溯源发现两类基因型均为"4+4"重配株（B3.13保留欧亚谱系A1的PA/HA/NA/M基因，D1.1保留A3的PB1/HA/M/NS基因），证实PB2 ...