Virus cúm gia cầm tồn tại và lây lan như thế nào ?
PTO- Có ba loại virus Cúm là A, B, C, trong đó loại A và B hay gây thành dịch. Virus Cúm A được chia ra các subtype dựa trên bề mặt virus Cúm có những kháng nguyên H (giúp virus gắn vào tế bào) và N (giúp virus phá hủy chỗ gắn vào tế bào để xâm nhập bên trong). Virus Cúm B và C không được chia ra phân type.
Õ)ỜƠỶ0UầầỊỖẵẬ<ậ0#ỖÔẾ<ấẩầƠỶẫ1Ơ(<UƠỶX1Ơậá2ƠậỤ<ƠếÙƠ0VểƠ0U2Ơ2)eƠậ)?Ơ2Ù3ƠLÕ/)ỜÔÕẵƠỶ0UầầỊỖẵù#UỸỖÔẴẬx-Ơộ4ƠỴUƠ03Ụ<Ơế<ấẩầƠộẫ1Ơ0ÙƠíOƠồOƠộOƠậấ32(Ơ@4Ơ03Ụ<ƠíƠếÙƠồƠ)UểƠ(VểƠậ)Ù2)ƠỸ}Ỷ)ÓƠẾ<ấẩầƠộẫ1ƠíƠ@eằỶƠỶ)<UƠấUƠỶÚỶƠầẩỴậểẵ#ƠỸẻUƠậấ&2ƠỴ:Ơ1ỰậƠế<ấẩầƠộẫ1ƠỶ4Ơ2)ê2(Ơ )Ú2(Ơ2(ẩể&2ƠùƠỌ(<ẫẵƠế<ấẩầƠ(Ứ2ƠếÙ3Ơậ?ƠỴÙ3ỎƠếÙƠwƠỌ(<ẫẵƠế<ấẩầƠẵ)ÚƠ)dểƠỶ)ảƠ(Ứ2ƠếÙ3Ơậ?ƠỴÙ3Ơ@,ƠệV1Ơ2)YẵƠỴ&2Ơậấ32(ỎÓƠẾ<ấẩầƠộẫ1ƠồƠếÙƠộƠ )92(Ơ@eằỶƠỶ)<UƠấUƠẵ)V2Ơậểẵ#ÓÕ/ẵÔÕậUỴ0#Ơầậể0#ỊỖ1Uấ(<2MỢẵệƠUẩậ3ỖÔÕậấÔÕậỸÔÕ<1(ƠầấỶỊỖ//<ÓỴU3ẵ)ẩậ)3Óế2/2#ềầ/ỜỠỚS/ỠSỸỞỚSỚỚỚỚậRỠỜỚP0ỜÓ"ẵ(ỖƠ/ÔÕ/ậỸÔÕ/ậấÔÕậấÔÕậỸÔẴ)cỶƠếcƠỶ92(ƠậÚỶƠẵ)52(OƠỶ)a2(ƠỸ}Ỷ)ƠỶẫ1Ơ(<UƠỶX1OƠ@?2Ơ2UểƠộ)<ƠỶcỶƠậ)ẫƠểƠ@ŨƠỶ)ẩể,2Ơế:ƠỶãƠầặƠỢỚƠ2(){2Ơ0>ậƠ)4UƠỶ)WậƠ@,Ơẵ)ẩ2OƠ )ẽƠậấb2(Ơậ<&ẩƠ@àỶOƠỞƠậấ<;ẩƠ0<:ẩƠếÚỶƠệ<2Ơẵ)52(ƠỴ;2)ƠỶẫ1ƠỶb2(ƠỶÚỶƠậấU2(Ơậ)<?ậƠỴ}Ơ )ÚỶƠ2)eƠỴã1OƠ <1Ơậ<&1OƠậấU2(Ơẵ)cỶƠỴỦ3Ơ)àƠỶ)3ƠỶÚ2ƠỴàƠậ)ẫƠểÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔ-Ơử<,1ƠậấUƠếÚỶƠệ<2ƠậấeăỶƠ )<Ơ@eUƠế:ƠỶãƠầặƠậỤ<Ơộ)<ƠỶcỶƠậ)ẫƠểƠậ[2)ÓÕ/ẵÔĩ2)MƠwÓẦÕ/ậỸÔÕ/ậấÔÕ/ậUỴ0#ÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔồ;2)Ơộẫ1Ơ(<UƠỶX1Ơ0ÙƠ1àậƠỴ;2)Ơậấẩể:2Ơ2)<.1ƠỸ3Ơế<ấẩầƠộẫ1Ơậểẵ#ƠíƠậ)ẩàỶƠ)6Ơxấậ)31ểệ3ế<ấ<ỸU#Ơ(VểƠấUÓƠẾ<ấẩầƠộẫ1ƠíƠ(VểƠỴ;2)ƠỶ)3Ơ(<UƠỶX1OƠ1àậƠầaƠ03Ù<Ơ@à2(ƠếYậƠỶ4ƠếẫƠếÙƠ2(eắ<ÓƠồ;2)Ơộẫ1Ơ(<UƠỶX1Ơ@à2(Ơ0ẻỶƠỶU3ƠỌùẴíụỎƠ@eằỶƠẬạƠỶ)éỶƠẬ)ẫƠểƠậ)?Ơ(<ă<ƠỌxụơỎƠệ?ẵƠếÙ3ƠỸU2)Ơ1cỶƠỴỦ2(ƠíÓƠồ<?2ƠỶ)d2(ƠùPwỜƠỶdUƠế<ấẩầƠộẫ1Ơ(ÙƠỴỨậƠ@XẩƠ)3Ù2)Ơ)Ù2)ƠậẹƠ2Ư1ƠỜTTRƠếÙƠ(VểƠỸ}Ỷ)ƠỴ;2)Ơậấ&2ƠỸ<;2Ơấà2(Ơ2)WậƠậấ32(Ơ )3Ủ2(ƠỜỚƠ2Ư1Ơ(X2Ơ@VểÓƠẬấeăỶƠ@VểOƠ03Ụ<Ơế<ấẩầƠ2ÙểƠỶ)[Ơ(VểƠỴ;2)ƠỶ)3Ơ(<UƠỶX1OƠầ32(Ơ)<;2Ơ2UểƠ0Ụ<Ơ(VểƠỴ;2)ƠỶ)3ƠỶỦƠậ)dểƠỶX1ƠếÙƠ@à2(Ơ0ẻỶƠỶdUƠ24ƠấWậƠ1Ụ2)ÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔộ)<Ơế<ấẩầƠộẫ1Ơ2)41ƠíƠ@eằỶƠỶ)<UƠậ)Ù2)ƠỶÚỶƠẵ)V2Ơ2)41ƠỸẻUƠếÙ3Ơ03Ụ<Ơẵấ3ậ#<2Ơ)#1U((0ẩậ<2<2ƠỌùỎƠếÙƠ2#ẩấU1<2<ỸUầ#ƠỌwỎƠ2Ừ1Ơậấ&2Ơ0ăẵƠế7Ơẵấ3ậ#<2ƠỴU3ƠỴ6ỶƠ08<Ơế<ấẩầÓƠộ4ƠậWậƠỶỦƠỜQƠ03Ụ<Ơẵấ3ậ#<2ƠùOƠ@a<Ơếă<Ơ1ả<Ơ03Ụ<Ơậ){Ơ0Ụ<ƠỶ4Ơ@?2ƠTƠẵ)V2Ơ2)41Ơẵấ3ậ#<2ƠwOƠ2)eƠếYểƠậạƠ)ằẵƠ0Ụ<Ơậ){ƠỶ4Ơ )ỦƠ2Ư2(ƠậỤ3ƠấUƠỜỠỠƠẵ)V2Ơ2)41Ơế<ấẩầƠộẫ1Ơ(ÙƠ )ÚỶƠ2)UẩÓƠw(3Ù<ƠấUOƠậWậƠỶỦƠ1ả<Ơẵ)V2Ơ2)41Ơế<ấẩầƠậấ&2Ơ0Ụ<ƠỶ4Ơậ),ƠỶ)<UƠ0Ù1ƠỢƠẵ)V2Ơ2)41ƠệV1Ơ2)<.1MƠỗỰỶƠậ>2)ƠệV1Ơ2)<.1Ơậ)WẵƠỌữẴíụỎƠếÙƠỶU3ƠỌùẴíụỎOƠ@<:ẩƠ2ÙểƠẵ)cƠậ)ẩàỶƠếÙ3Ơ@àỶƠậ>2)ƠỶdUƠế<ấẩầƠ@a<Ơếă<ƠỶÚỶƠâẩX2Ơậ),Ơ(<UƠỶX1OƠỶÚỶƠẵ)V2Ơ2)41ƠùPwỜOƠùRwỢOƠùRwỞOƠùRwROƠùRwTOƠùỢwỢOƠùỞwỢOƠùQwỜOƠùSwỜỚƠếÙƠùTwỢƠ@ŨƠ@eằỶƠẵ)ÚậƠ)<;2ƠệV1Ơ2)<.1ƠếÙ3Ơ2(eắ<ÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔẾ<ấẩầƠộẫ1Ơ(<UƠỶX1ƠỶX2Ơ1àậƠếYậƠỶ)dƠ@,Ơầa2(ƠếÙƠ2)V2Ơ0&2OƠ@VểƠ0ÙƠ1àậƠ@ỰỶƠậ>2)ƠâẩU2Ơậấ62(ƠỶdUƠế<ấẩầƠ )<ƠÚẵƠỸc2(ƠỶÚỶƠỴ<;2Ơẵ)ÚẵƠẵ)52(ƠỶ)a2(ƠỸ}Ỷ)Ơộẫ1ÓƠẬẩểƠ2)<&2OƠế<ấẩầƠỶ4Ơậ),Ơầa2(Ơậấ32(Ơ1àậƠ )3Ủ2(Ơậ)ắ<Ơ(<U2ƠỴ&2Ơ2(3Ù<ƠếYậƠỶ)dƠ )<Ơ@eằỶƠỴỦ3Ơế;ƠỴặ<ƠỶÚỶƠỶ)WậƠ)êẩƠỶãƠếÙƠầa2(Ơ0VẩƠ)ã2ƠặƠ19<Ơậấeắ2(ƠÝ1ƠeăậOƠ2)<;ậƠ@àƠậ)WẵÓƠẾ<ấẩầƠỶ4Ơậ),Ơậá2ƠậỤ<MƠậấ32(Ơẵ)V2ƠỞPƠ2(ÙểƠặƠỠỚộÓƠẬấ32(Ơ2eăỶƠỜQỚƠ2(ÙểƠặƠỜRỚộÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔú<UƠỶX1Ơầa2(ƠỴ}Ơ2)<.1ƠỴ;2)ƠếÙƠỶ4Ơậ),Ơ0Ù1Ơ0VểƠ0U2ƠỸ.ƠỸÙ2(OƠỶ)ẫ2(Ơ0ÙƠ2)ê2(Ơẵ)eã2(Ơậ<;2Ơậấẩể:2ƠỴ;2)Ơ2(ẩểƠ)<,1Ơ2)WậNƠ@ỰỶƠỴ<;ậƠặƠế}ậƠ2)<.1Ơế<ấẩầƠ1ÙƠấWậƠ>ậƠỴ<,ẩƠ)<;2Ơậấ<;ẩƠỶ)é2(Ơ0V1ƠầÙ2(ÓƠẴ)eã2(Ơậ<;2Ơậấẩể:2ƠỴ;2)Ơ2(ẩểƠ)<,1Ơậ)éƠ)U<Ơ0ÙƠ2)ê2(ƠếYậƠỸc2(OƠệ#ƠỶàOƠẵ)eã2(Ơậ<;2ƠếY2ƠỶ)ẩể,2OƠậấU2(Ơậ)<?ậƠỴ}Ơ2)<.1ƠỶ)WậƠậ)Ủ<OƠ@ỰỶƠỴ<;ậƠ0ÙƠẵ)V2ƠỶdUƠỶ32Ơ(<UƠỶX1Ơ@ŨƠỴ}Ơ2)<.1ƠỴ;2)ÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔw(ẩá2Ơ2eăỶƠ9Ơ2)<.1ƠậẹƠẵ)V2ƠỶdUƠỶÚỶƠỶ32ƠếYậƠỴ}Ơ2)<.1ƠỴ;2)Ơ0ÙƠ2(ẩá2Ơ0VểƠ2(ẩểƠ)<,1ƠỶ)3Ơ(<UƠỶX1OƠỶÚỶƠậấU2(ƠậấỤ<ƠỶ)Ư2Ơ2ẩ9<Ơậ)eã2(Ơ1Ụ<ƠỶX2Ơ@Ủ1ƠỴỦ3ƠấỪ2(Ơ(<UƠỶX1Ơ )92(Ơậ<?ẵƠệẫỶƠếă<Ơ2(ẩá2Ơ2eăỶƠ1ỰậƠ1ÙƠỶ)[ƠỸb2(Ơ2eăỶƠ(<?2(Ơ )3U2Ơ)3ỰỶƠ2eăỶƠ@ŨƠâẩUƠệẽƠ0ễÓƠw(ẩể&2Ơ2)V2Ơ0VểƠậấẩể:2ƠâẩUƠ2(ẩá2Ơ2eăỶƠệỦểƠấUƠ2)<:ẩƠ )<Ơ@<:ẩƠậấUƠỸ}Ỷ)Ơậ.ƠặƠỶÚỶƠ)àƠỶ)Ư2Ơ2ẩ9<Ơ(<UƠỶX1Ơậ)ỦƠấ92(ÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔộÚỶƠ@à2(ƠếYậƠ )ÚỶƠ2)eƠỶ)<1Ơ)3U2(OƠỶ)ẩàậOƠỶÚỶƠếYậƠ2ẩ9<Ơ2)eƠỶ)4OƠ1è3…0ÙƠ2)ê2(Ơ2)V2ƠậaƠậấẩ2(Ơ(<U2Ơ1U2(Ơ1X1ƠỴ;2)ƠệV1Ơ2)YẵƠếÙ3ƠậấỤ<ÓƠù3ỤậƠ@à2(Ơậ)U1ƠâẩU2OƠấUƠếÙ3Ơ )ẩƠếẻỶƠỶ)Ư2Ơ2ẩ9<Ơ )<Ơ@ŨƠậ<?ẵƠệẫỶƠếă<Ơ(<UƠỶX1Ơ2)<.1ƠỴ;2)Ơ0ÙƠ2)ê2(Ơ2(ẩể&2Ơ2)V2Ơ(<Ú2Ơậ<?ẵƠỸ3Ơể?ẩƠậaƠỶ)dƠâẩU2ƠỶdUƠỶ)dƠậấU2(ƠậấỤ<Ơ )<Ơ@,ƠệỦểƠấUƠỸ}Ỷ)ÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔỗ,Ơậ<&ẩƠỸ<;ậƠẾ<ấẩầƠộẫ1Ơ(<UƠỶX1OƠỶX2ƠỶƯ2ƠỶéƠếÙ3ƠỶÚỶƠ@ỰỶƠậ>2)ƠỶdUƠế<ấẩầƠ0ÙƠỶ4Ơế7ƠỴ6ỶƠ2(3Ù<Ơ0ÙƠ0ăẵƠ0<ẵ<ỸNƠế{ƠếYểƠỶX2Ơẵ)ÚƠếẳƠ0ăẵƠế7ƠỴ6ỶƠ2ÙểƠỴỪ2(MƠỆÙƠẵ)52(/Ỷ)WậƠậÝểƠấẽUOƠậaậƠ2)WậƠ0ÙƠầẽƠỸc2(ƠỶb2(Ơ2eăỶƠW1NƠÚ2)ƠầÚ2(Ơ1ỰậƠậấắ<ƠỶ)<?ẩƠậấẻỶƠậ<?ẵƠỌậ<UƠẨẾỎOƠ)ã<Ơ242(Ơ0ẽUOƠ2eăỶƠ242(Ơậấ&2ƠRỚỚộNƠế<ấẩầƠỸ.ƠỴ}Ơậ<&ẩƠỸ<;ậƠỴặ<ƠỶÚỶƠ03Ụ<Ơậ)ẩaỶƠầÚậƠậấb2(Ơậ)92(Ơậ)eắ2(Ơ2)eƠ!3ấ130OƠế<ấ 32OƠùU2-ụ3Ỹ<2#OƠồ#2 3Ỷ<ỸÓÕ/ẵÔÕẵƠỶ0UầầỊỖẵồ3ỸểỖÔùÙƠỗ{2)Ơữ32(Õ/ẵÔ