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VIRAL LINEAGE »ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹»éͧ¡Ñ¹âäâ¤ÇÔ´-19 ã¹ÃдѺ»Ò¹¡ÅÒ§¶Ö§Ãعáç-Çԡĵ µÒÁÊÒÂàÅ×Í´ SARS-CoV-2 (»ÃЪҡõèÍâ»ÃⵤÍÅ) ÊÒ¾ѹ¸ØìäÇÃÑÊãËÁèà¡Ô´¢Öé¹áÅСÅÒÂà»ç¹ÊÒ¾ѹ¸ØìËÅÑ¡ã¹»ÃÐà·ÈÊèǹãË­è㹡Ò÷´Åͧ㹪èǧÃÐÂÐàÇÅÒ¡ÒÃÇÔà¤ÃÒÐËì â´ÂÊÒ¾ѹ¸ØìºÒ§ÊÒ¾ѹ¸Øìà¡Ô´¢Öé¹ÍÂèÒ§à´è¹ªÑ´ã¹»ÃÐà·Èà´ÕÂÇ ÊÅç͵Í͹äŹì (àªè¹ B.1.351 [ີéÒ] ã¹áÍ¿ÃÔ¡Òãµé C.37 [áÅÁºì´Ò] ã¹à»ÃÙ áÅÐºÕ .1.621  ã¹â¤ÅÍÁàºÕÂ) »ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹à·èҡѺ 70.2% (95% CI, 35.3 ¶Ö§ 87.6) à·Õº¡ÑºäÇÃÑÊâ¤ÇÔ´-19 ÃдѺ»Ò¹¡ÅÒ§¶Ö§Ãعáç«Öè§à¡Ô´¨Ò¡µÑÇá»Ã B.1.1.7 (ÍÑÅ¿Ò); 69.0% (95% CI, 59.1 ¶Ö§ 76.8) à·Õº¡Ñºâ¤ÇÔ´-19 ÃдѺ»Ò¹¡ÅÒ§¶Ö§Ãعáç - Çԡĵ·Õèà¡Ô´¨Ò¡ SARS-CoV-2 «Ö觨ѴÍÂÙèã¹»ÃÐàÀ· "Í×è¹æ" â´Â»ÃÐÊÔ·¸ÔÀÒ¾¨Ð¤§·ÕèµÅÍ´ 195 Çѹ¢Í§¡ÒõԴµÒÁ áÅÐ 58.2% (95% CI, 35.0 ¶Ö§ 73.7) à·Õº¡Ñºâäâ¤ÇÔ´-19 ÃдѺ»Ò¹¡ÅÒ§¶Ö§Ãعáç«Öè§à¡Ô´¨Ò¡¤ÇÒÁà¤ÃÕ´ÍéÒ§ÍÔ§ (B.1.D614G) »ÃÐÊÔ·¸ÔÀÒ¾â´ÂÃÇÁÍÂÙè·Õè 44.4% (95% CI, 34.6 ¶Ö§ 52.8) à·Õº¡ÑºÊÒÂàÅ×Í´ SARS-CoV-2 ·ÕèäÁèãªèÊÒ¾ѹ¸ØìÍéÒ§ÍÔ§ (ÃÙ»·Õè 3 ) ÃÇÁ¶Ö§ 51.9% (95% CI, 19.1 ¶Ö§ 72.2) à·Õº¡ÑºµÑÇá»ÃີéÒáÅÐ 36.5% (95% CI, 14.1 ¶Ö§ 53.3) à·Õº¡ÑºµÑÇá»Ã P.1 (á¡ÁÁÒ) àÁ×èÍÊÔé¹ÊØ´ÃÐÂÐ double-blind äÁ辺¤ÇÒÁᵡµèÒ§ÃÐËÇèÒ§ÇѤ«Õ¹áÅÐÂÒËÅÍ¡ã¹¼Ùé»èÇ 21 ÃÒ·Õèà¡Ô´¨Ò¡µÑÇá»Ã B.1.617.2 (à´ÅµéÒ) ã¹áÍ¿ÃÔ¡Òãµé (»ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹ 5.7%; 95% CI, −177.7 ¶Ö§ 59.2) ¡ÃÒ¿ Kaplan–Meier á¹Ð¹ÓÇèÒ»ÃÐÊÔ·¸ÔÀҾ㹡Òõè͵éÒ¹ÊÒ¾ѹ¸ØìÍéÒ§ÍÔ§ËÁعàÇÕ¹áÅеÑÇá»ÃີéÒàÃÔèÁ 14 ÇѹáÅÐ 25 ÇѹËÅѧ¨Ò¡¡ÒéմÇѤ«Õ¹µÒÁÅӴѺ áÅÐàÃÔèÁ·Ñ¹·ÕàÁ×èÍÊÑÁ¼ÑʡѺµÑÇá»ÃÍÑÅ¿Ò «Öè§à¡Ô´¢Öé¹ÍÂèÒ§¹éÍ 2 à´×͹ËÅѧ¡ÒéմÇѤ«Õ¹¢Í§¼Ùéà¢éÒÃèÇÁã¹

 

¡ÅØèÁÇѤ«Õ¹àÊÃç¨ÊÁºÙÃ³ì  àÊé¹â¤é§ Kaplan–Meier ¶Ù¡¾Åç͵价Õè¨Ø´ÊÔé¹ÊØ´¢Í§à¿Ê double-blind â´ÂäÁè¢Ö鹡ѺÇèҡóյèÒ§æ à¡Ô´¢Öé¹ã¹·Ñé§Êͧ¡ÅØèÁËÃ×ÍäÁè ¡ÒÃÇÔà¤ÃÒÐËìµÑÇá»Ãà¾ÔèÁàµÔÁä´é´Óà¹Ô¹¡ÒÃÊÓËÃѺ¡Ã³ÕµèÒ§æ ·Õèà¡Ô´¢Öé¹ÃÐËÇèÒ§ªèǧ double-blind áµè¶Ù¡¨Ñ´ÅӴѺËÅѧ¨Ò¡¡ÒÃÅçÍ¡°Ò¹¢éÍÁÙÅ ¼ÅÅѾ¸ìÊÍ´¤Åéͧ¡Ñº¡ÒÃÇÔà¤ÃÒÐËìàº×éͧµé¹ (ÃÙ»·Õè S3) »ÃÐÊÔ·¸ÔÀҾ㹡ÒõéÒ¹äÇÃÑÊâ¤ÇÔ´-19 ÃдѺÃعáç-Çԡĵ ÃÙ»·Õè 4 ÍغѵԡÒóìÊÐÊÁ¢Í§ Covid-19 ·ÕèÃعáç¶Ö§ÇԡĵáÅлÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹àÁ×èÍàÇÅÒ¼èÒ¹ä» (»ÃЪҡõèÍâ»ÃⵤÍÅ) ÊÓËÃѺâäâ¤ÇÔ´-19 ·ÕèÃéÒÂáç¶Ö§¢Ñé¹Çԡĵ »ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹â´ÂÃÇÁÍÂÙè·Õè 74.6% (95% CI, 64.7 ¶Ö§ 82.1) ( µÒÃÒ§·Õè 1 ) àÊé¹â¤é§ÍغѵԡÒóìÊÐÊÁ«Öè§àÃÔèÁᡨҡ¡Ñ¹»ÃÐÁÒ³ 7 ÇѹËÅѧ¡ÒÃãËéÂÒ ( ÃÙ»·Õè 4 ) â´ÂäÁèÁÕËÅÑ¡°Ò¹¡ÒÃŴŧà»ç¹àÇÅÒ»ÃÐÁÒ³ 6 ¶Ö§ 7 à´×͹ËÅѧ¡ÒÃãËéÂÒ »ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹»éͧ¡Ñ¹â¤ÇÔ´-19 Ãعáç¶Ö§¢Ñé¹Çԡĵ¤×Í 93.1% (95% CI, 54.4 ¶Ö§ 99.8) ÊÓËÃѺÊÒ¾ѹ¸ØìÍéÒ§ÍÔ§ 71.8% (95% CI, 56.3 ¶Ö§ 82.3) ÊÓËÃѺÊÒÂàÅ×Í´·ÕèäÁèÍéÒ§ÍÔ§ SARS-CoV-2 «Öè§ÃÇÁ¶Ö§ÅӴѺ "Í×è¹æ" ·ÕèÁÕ¡ÒáÅÒ¾ѹ¸Øì E484K; 78.4% (95% CI, 34.5 ¶Ö§ 94.7)

ÊÓËÃѺÃØè¹àºµéÒ 63.6% (95% CI, 18.8 ¶Ö§ 85.1) ÊÓËÃѺµÑÇá»Ãá¡ÁÁÒ 67.6% (95% CI, −29.8 ¶Ö§ 94.4) ÊÓËÃѺµÑÇá»ÃáÅÁºì´Ò áÅÐ 79.5% (95% CI, 38.5 ¶Ö§ 94.9) ÊÓËÃѺµÑÇá»ÃÁÔÇ ÁÕÃÒ§ҹà¾Õ§ 6 ¡Ã³Õ¢Í§ Covid-19 ·ÕèÃéÒÂáç¶Ö§¢Ñé¹Çԡĵ·Õèà¡Ô´¨Ò¡µÑÇá»ÃÍÑÅ¿èÒáÅÐÊÕèÃÒ·Õèà¡Ô´¨Ò¡µÑÇá»Ãà´ÅµéÒ (ÃÙ»·Õè S4) ¨Ø´ÊÔé¹ÊØ´»ÃÐÊÔ·¸ÔÀÒ¾ÃͧáÅСÒÃÊÓÃǨà¾ÔèÁàµÔÁ »ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹»éͧ¡Ñ¹âäâ¤ÇÔ´-19 ÃдѺ»Ò¹¡ÅÒ§¶Ö§Ãعáç â´ÂàÃÔèÁÁÕÍÒ¡ÒÃÍÂèÒ§¹éÍ 28 ÇѹËÅѧ¨Ò¡ãËéÂÒã¹¼Ùéà¢éÒÃèÇÁ·Ø¡¤¹â´ÂäÁè¤Ó¹Ö§¶Ö§ÃдѺ«ÕâÃÊ൵ÑÊ·Õè¡ÒõÃǨÇÑ´¾×é¹°Ò¹ ¡àÇé¹¼Ùéà¢éÒÃèÇÁ·ÕèµÔ´àª×éÍâ¤ÇÔ´-19 ¡è͹Çѹ·Õè 29 (»ÃЪҡáÅØèÁàÊÕè§) ¤×Í 53.2% ( 95% CI, 47.5 ¶Ö§ 58.4) »ÃÐÊÔ·¸ÔÀÒ¾¢Í§ÇѤ«Õ¹»éͧ¡Ñ¹âäâ¤ÇÔ´-19 ã¹ÃдѺ»Ò¹¡ÅÒ§¶Ö§Ãعáç¶Ö§¢Ñé¹Çԡĵ â´ÂàÃÔèÁÁÕÍÒ¡Òà 1 ÇѹËÅѧ¡ÒÃãËéÂÒ¤×Í 52.6% (95% CI, 47.6 ¶Ö§ 57.2) 

 



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