80-120nm SSRNA,分节段 甲、乙型8个节段 ■丙型7个节段 Did membrane of envelope 6 segmen / o ssRNA 8 Structural proteins Glycoprotein 令HA(H1-H15) 今NA(N1-N9) ◆M1,M2 8 nucleocapsid segments FUegO- RNA, NP, PB1, PB2, PA protein ■HA- attachment to polymerase receptors, initiation a NA-degradation of receptors haemagg tanin H release matx protein◼ 80-120 nm ◼ -ssRNA，分节段 ◼ 甲、乙型8个节段 ◼ 丙型7个节段 ◼ 8 Structural proteins: ◆ Glycoproteins ❖ HA (H1-H15) ❖ NA (N1-N9) ◆ M1, M2 ◆ 8 nucleocapsid segments ❖ RNA, NP, PB1, PB2, PA ◼ HA-attachment to receptors,initiation ◼ NA-degradation of receptors, release