Aṭṭan n Coronavirus 2019

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Aṭṭan n Coronavirus 2019
COVID-19-Longontsteking.jpg
maladie infectieuse émergente, Buturin
Sous-classe depneumonie atypique, infection à Coronavirus, pneumonie virale, zoonose Ẓreg
Personne cléZhang Jixian, Zhong Nanshan Ẓreg
Événement cléArwas n waṭṭan n Kuṛunavirus 2019-20 Ẓreg
A pour causeSARS-CoV-2 Ẓreg
Date de découverteDuǧember 2019 Ẓreg
Lieu de découverteWuhan Ẓreg
Spécialité médicaleinfectiologie, pneumologie, virologie, épidémiologie, médecine d'urgence Ẓreg
Examens possiblesTest diagnostique du SARS-CoV-2 Ẓreg
HashtagCOVID19 Ẓreg
Caractérisé parcontagiousness, Mortality due to COVID-19 Ẓreg
Rôle du sujet déclarantsyndrome de détresse respiratoire aiguë Ẓreg
Histoirechronologie de l'épidémie de maladie à coronavirus de 2019-2020 Ẓreg
Identifiant NCI ThesaurusC171133 Ẓreg

Aṭṭan n Coronavirus 2019 (s usegzel: covid-19[1]), akken yettwassnen daɣen s yisem n waṭṭan amesgunef amekruz yeqqnen ar Coronavirus amsetrar 2019, iga d aṭṭan amesgunef azamman aɣeressagman ixeddem-it-id SARS-CoV-2 dɣa avirus-a d win yudsen (iqerben) s waṭas ar SARS-CoV[2][3]. Yettwasnirem i tikkelt tamezwarut ass mi yenfufed Coronavirus di Wuhan deg 2019, sin akin igla-d s terwast n waṭṭan n Covid-19 deg umadal yakk. aṭṭan-a d win i d-igellun s waṭas n waṭṭanen d yisekna igan d tawla, tusut d tneggift ma d agaz amaẓwal d ufaris n inexxim d wagaz n ugerjum ur llin ara d isekna imezdiyen.[4][5]. Deg wakud anda tuget n yigimen tt-ellen (seɛɛun) drus kan n isekna.[6], Kra deg-sen ttneflin ar talɣiwin timihanin am buturin amekruz d werway agmanan usgit.[7]. isig n tmekkast ɣer yisig n yigimen iy tt-wasennefrun d win yettusazlen s 3,4% maca yemgarad s unect n waddar (leɛmeṛ) d tilin n waṭṭanen niden.[8]


Alammi d meɣres 2020 ulac assuji neɣ tigezt mgal n waṭṭan-a ayen yellan deg ufus n imsujiyen d asefses n yisekna d tedhelt n twuriwin n tfekka[9]. Maca kra n tmura am Iwunak Yeddukklen n Temrikt d Ccinwa urmen-t tigzin deg uraju n igemmad ara ad efken.

Tuddsa tamadlant n tdawsa telɣet-d s umeggez n unfufed d usefruret n SARS-CoV-2 d tiẓimdelt tamadlant .[10][11], ttwafen-d yinzan (ttbut) ɣef unfufed adigan i waṭṭan n Covid-19 deg 6 n temnaṭin yeṭṭafaren tuddsa tamadlant n tdawsa .[12]

Isekna d izmal[ẓreg | ẓreg aɣbalu]

Isekna n Covid-19 id yettbinen seld n yiwen ar 14 n wussan seg wenṭaṭ n Kuṛunavirus

Aṭṭan-a yezmer ad yaɣ amdan war ma ad ilin isekna d izmal maca deg waṭas n waddaden n iden ttilin-tt-d tiskanin ama d tid yefsusen neɣ d timakrazin (qessiḥ-it) gar-asen tawla, idis, tusut d tadist ma d tiskanin n usgunef am unezzu d legrajem d tid ur nettili ara s tuget

Addaden imekruzen (qessiḥen) n waṭṭan-a d wid izemren ad glun s tingas d feccal n wul d tgeẓẓal sin akin ar tmekkest (lmut) [13][14]

Askan Isig n teflalit-is
Tawla 87.9%
Tusut yekkawen 67.7%
Atmelli (ɛeyyu) 38.1%
Afaras n tsusaf 33.4%
Tineggift 18.6%
Agaz g tmaẓwalin d tiwermin 14.8%
Agaz n ugerjum 13.9%
Amaẓla 13.6%
Targigit 11.4%
Amuktu d Tiririt 5.0%
Abeṛṛid 3.7%
Asusef n idammen 0.9%
Azzug n tmelli 0.8%

Tallit n tezdalt d tin yettaṭṭafen gar n sin n wussan ar sin imalasen ma d isig n tallit-a 5 ar 6 wussan s unect n tuddsa tamadlant n tdawsa. Ma d akud seg teflalit n yiskanen alamma d tujjya n tignatin fsusen yettaweṭ ar sin imalasen, tignatin tukrizin d tmsuklsin (tiqessḥanin) gar 3 ar 6 n imalasen. Inzan (ttbut) imenza sskanayen-d d akken tallit n wakud gar n teflalit n iskanen d temhazt n talɣa tukrizt n waṭṭan -gar-as tadersi n Uksijin- yettaṭṭaf 7 n wussan. Ma d tallit n wakud gar teflalit n yiskanen d tmekkest (lmut) n teɣtas n waṭṭan d win yettilin gar n 2 ar 8 n imalasen.[7]

Ikalaten d tmukrisin n waṭṭan[ẓreg | ẓreg aɣbalu]

Aṭṭan-a yezmer ad yekk seg 3 n ikalaten igejdanen, Amezwar: yezmer ad yezri am waṭṭan fsusen am waṭṭanen ifellayen imezdiyen n unagraw amesgunef. Aẓabaẓ neɣ tazemmart tis snat: d buturin neɣ tuḍna n wamur n wadda n unagraw amesgunef. Ma d aẓabaẓ wis 3 d win yakk i d amihan s waṭas anda aṭṭan-a yettnefli s tazzla ar timsedfert tamesguneft tanamsadt.[15]

Isragen (ssebbat)[ẓreg | ẓreg aɣbalu]

adumu s tisit tiliktṛunant i tugna n SARS-CoV-2 (talemmast, awraɣ)[16]

Ayen id yessisrigen aṭṭa-a d Coronavirus 2 n temsedfert tamesguneft tanamsadt tamekruzt (SARS-CoV-2), dɣa yella isem-is Avirus imisni 2019 (2019-nCoV).[17], Avirus-a yettenfufud s talɣa tagejdant gar n imdanen s uṭerrec n tmiqwa id itteffɣen seg unagraw amesgunef s tusut d unezzu .[18]. Avirus-a yezmer ad yeqqim d amiddur i 3 n wussan sufel n wuzzan d uplastik. Ma d avirus n SARS-CoV-2 yezmer ad yeqqim idder i 3 wussan s ufel n wuzzal d uplastik yakk d 3 n tesragin (sswayeɛ) deg wezwu.[19]. Akken id yettwaf uvirus-a deg yiẓẓan maca ar wayyur n meɣres zeddiɣ (mazal) Ur iban ara ma yettenṭaṭ s tarrayt n yimi d wadda.[20]

Turin gant d agman yettenṭerrayen yakk s waṭas acku avirus-a yettawaṭ ar ibniken s yinzim n uselket n angiotensinay 2 yettilin s tuget g uɣerɣur g turin. Dɣa avirus-a yessexdam apṛutin n yiẓid yettwasemma s Spike i wakken ad yennali (ad yeṭs) inzim w ad yekcem tabnikt tamsenubegt.[21] , Taneẓẓi n inzim ACE2 d tin yeqqnen deg yal aẓeṭṭa yakk d tassast (ccedda) n waṭṭan deg uẓeṭṭa-nni, Kra n imusnawen mmlen-d d akken tisidert (asedres) n urmmud n yinzim yezmer ad yili d taggaẓt, [22][23]. Maca tella tmuɣli n iden yeẓẓaren d akken timerniwt n yinzimen s usexdem n isafaren n Amgelnermas n ungiotensin II tezmer ad tili d tamaggaẓ (tḥerrez) maca tiẓraayyi srint ikayaden.[24]

Imusnawen ttɣilen d akken avirus-a d agaman u d waṭṭan aɣersaw n usagma.[25][26] Avirus n Covid-19 ineṭṭ-d i wemdan i tikkelt tamezwarut deg Wuhan (Tamurt n Ccinwa) deg ussan ineggura n wayyur n wamber 2019. Sin akin yuɣal d aɣbalu agejdan i yigem seg wemdan ar wemdan niden seg yennayer 2020.[27][28]

Igem amezwaru yella-d deg 17 wamber]] 2019.[29]. Seg 15 meɣres yettwalɣet s tilin n 67,790 n tignatin n waṭṭan deg Hubei gar-asen 3,075 uksen (mmuten) (s isig n 4,54%)[29]


Anṭaṭ[ẓreg | ẓreg aɣbalu]

Tarrayt n wenṭaṭ tagejdant tettili-d seg wemdan ar wemdan n iden s tikciyin timesgunefin am unezzu d tusut. Tuddsa tamadlant n tdawsa txeddem g uskazal i wakken ad tẓer ma yella wenṭaṭ araskan d wenṭaṭ s tawla kecmen deg iɣunab n wenṭaṭ igejdanen.[30], ɣef wanect-a yessefk ad yili westum gar n yimdanen 1,5 ma drus i wakken ur yettenṭaṭ ara waṭṭan ma yenzi-d (iɛeṭs-d) kra n yiwen

Timiqwa yessawaṭen Kuṛunavirus tt-ɣamayen-t ugglent (ttwaɛelqen-t) deg uzwu i kra n wakud Kan sin akin ad ɣlint f kra am tgida (ṭṭabla) neɣ kra n tɣawsa ayen yettaǧǧan avirus-nni ad yenṭeṭ ma yeṭṭsa-t (imuss-it) kra n wemdan aladɣa ma yeṭṭsa imi-ynes neɣ allen-is neɣ inzaren-is send ma yessared ifassen-is s waman d userrad

Tasenvirust[ẓreg | ẓreg aɣbalu]

Tugna s umikṛuskub tesskanay-d avirus n SARS-CoV-2

SARS-CoV-2 d Kuṛunavirus yeqqnen ar timsedfert tamesguneft tukrizt tanamsadt, yettwasinef i tikkelt tamezwarut seg 3 n yimdanen yuɣ-iten waṭṭan n buturin yeqqnen s tagrawt n tegnatin n waṭṭanen imesgunfanen ukrizen deg Wuhan, dɣa d avirus-a id igellun s waṭṭan n Covid-19 .[31]

SARS-CoV-2 d win yettakken assaɣ untim i welsaru aẓaṛan n SARS-CoV anda imusnawen ttɣilen d akken-it iga d aṭṭan aɣressagma

Asefruret[ẓreg | ẓreg aɣbalu]

Tagertilt tesskanay-d timdinin n Ccinwa anda tenfufed deg-sent tignatin timezwura n urwas n Covid-19 di yennayer 2020

Asigged[ẓreg | ẓreg aɣbalu]

The severity of diagnosed COVID19 cases in China
Tammihwa n tegnatin n Covid-19 yettusennefrun d Ccinwa[32]
3D Medical Animation Still Shot graph showing Case Fatality rates by age group from SARS-COV-2 in China.
Afimidi n tmekkisin s unect n tegrawin n waddar di Ccinwa. Isefka ayyi ttuɣalen ar wezmez n 11 fuṛaṛ 2020.[27]
Case fatality rate depending on other health problems
Afimidi n tmekkisin s unect n tegnatin tidawsanin yemgaraden

Aṭas n teɣtas n Covid-19 mmugren-d uguren idawsanen yakan, isig n wakud gar n teflalit n isekna d tmekkast (lmut) yettusteg s 15 n wussan, maca s timmad yettili-d gar n 6 ar 41 n wussan, Deg tezrawt i texdem tesmilt taɣelnawt n tdawsa di Ccinwa, tufa-d d akken isig n tmekkast ɣer iwetmen yella-d 2,8% ma ɣer twetmin yella-d 1,7%, imuṭan s ddaw n 50 n iseggasen yella-d 0,5% ma d imuṭan yugaren 70 n iseggasen yewweṭ yisig ar ugar n 8%. Dɣa tilin n isnufal (dduzan) isnajjyanen d twetlin timettiyin d tdamsanin i temnaṭ zemren ad awin timlilin deg uguccel n yisig n tmekkisin.[33]

Akayad azeṭṭaw n tilam yettwakksen seg turin n imuṭan seld n tmekkast yessken-d attwaɣ aɣarɣur yenfufden.[34][35] Imusnawen ar tua ur ẓrin ara ma yella igem yezrin yettakk-d i wmaṭun affal seg waṭṭan seld n tujjya. Dɣa tulla (seɛɛu) n waffal d ayen yellan d amddwal s ugani n tkelli tarunawt n ivirusen imisniyen (ivirusen n Kuṛuna) niden, maca kra seg wid yejjin seg Covid-19 ufan-d igemmad isnidanen ilawen sin akin seld n tujjit.[36]. Akken i mazal ur yettwassen ara ma yella tilawt-a d tulsa (d aɛawed) n usegrew n yigem neɣ d azgel (lɣelṭa) seg usnidi.[37] Tadbelt n isgunfa n Hong Kong tufa-d tudra n ufimidi seg 20% ar 30% deg ukettaṛ n turin ɣer 2 neɣ 3 gar n 12 n yimdanen yejjin seg waṭṭan. Imuṭan-a yejjin d wid id yettcetkin seg wengaf (aḍiqi n nnefs) mi ara ad ilin teddun s tazzla. Ma d ikayaden n turin yemmugen ɣef 9 n imuṭan deg Asganfu n Princess Margaret sseknen-d d akken imekniten uttwaɣ deg yigmanen.[38] Deg tezrawt yemmugen ɣef warrac meẓẓiyen g Ccinwa (gar n tegnatin n Covid-19 yettwasentmen deg usnidi neɣ tegnatin anda yella ccek), ufan-d d akken arrac yakk yezmer ad ten-yaɣ waṭṭan s wemgarad n waddar-nse (leɛmuṛ-nsen) d tuzzuf-nsen. Gar n warrac imuṭan yakk 4,4% n tegnatin llant war isekna d 50,9 n imuṭan mmugren-d isekna fsusen d 38,8% mmugren-d isekna yemnummsen d 5,2% deg tegnatin tinamsadin. Ma d tignatin timekruzin (qessiḥen s waṭas) llant-d s ufimidi n 0,6%. Akken id tella yiwet n tegnit n tmekkast (lmut) i weqcic deg 14 n iseggasen deg tegrawt talsant anda idtella tezrawt-a.[39][40]

Afimidi n tmekkast s unect n waddar d tmurt

Addar (leɛmeṛ) 80+ 70-79 60-69 50-59 40-49 30-39 20-29 10-19 0-9
Ccinwa seg 11 fuṛaṛ[41] 14.8 8.0 3.6 1.3 0.4 0.2 0.2 0.2 0.0
Ṭelyan seg 16 meɣres[42] 19.2 11.8 3.2 1.0 0.3 0.2 0.0 0.0 0.0
Kurya n unẓul seg 17 meɣres[43] 10.2 5.4 1.6 0.4 0.1 0.1 0.0 0.0 0.0

Asuṭṭen[ẓreg | ẓreg aɣbalu]

Tuddsa tamadlant n tdawsa tdewwen d akken akud n tefsirt ar uvirus alamma banen-d iskanen d win yettilin gar n 2 ar 10 n wussan. ،[44] neɣ seg sin n wussan ar 14 n wussan s unect n ammasen i wsenɣed d tesɣil ɣef waṭṭanen.[45]

Asennefru[ẓreg | ẓreg aɣbalu]

Tuddsa tamadlant n tdawsa tfesr-d aṭas n ipṛutukulen i wkayar n Coronavirus amsetrar [46][47], Akayad n Tasedmirt tanmezrit n Polimiraz i wseskel amuli (rRT-PCR)

Zemren ad ilin ikayaden ɣef trawin n unagraw amesgunef neɣ n idammen [48] sin akin igemmad tt-biben-d seld n kra n tesragin neɣ n wussan

Asuji[ẓreg | ẓreg aɣbalu]

Seg 5 fuṛaṛ 2020, ur d-iban ara usuji i waṭṭan-a. Dɣa tuddsa tamadlant n tdawsa tessemter (tweṣṣa) s uttekki n imaɣzalen deg yirramen imisiyen unɣiden i wkayad n tmellit d tɣellist n ussuji i zemren ad yili

Anfufed[ẓreg | ẓreg aɣbalu]

S unect n tsensakrart, isig n tmekkisin d waddaden n unfufed n waṭṭan-a ur yettwassnen ara, acku isig n uẓeddim d win yettbeddilen seg wakud ar wayeṭ. Acku daɣen isig n wenṭaṭ yettuzemren ad tettwissen zeddiɣ (mazal) Ur tban ara [49][50]. Ɣas yella-d akk wanect-a. Maca inigen imenza yemmugen ɣef waṭṭan amesgunef amekruz yeqqnen ar Coronavirus amsetrar 2019 sseknen-d d akken isigen n tmekkest (lmut) gant gar n 2 ar 3 % [51]. Yerna deg yennayer 2020 tuddsa tamadlant n tdawsa temmel-d d akken isig n tmekkisin yella-d s wazal n 3% [52]

Tasensakrart[ẓreg | ẓreg aɣbalu]

Afimidi n tmekkasin (lmuta) n yimuṭan yegguni ɣef tilin n taggaẓt tadawsant d usegder n waddar (leɛmeṛ) d wuguren idawsanen imezrayen ɣer imezdaɣ, yakk d wumdan n tegnatin ur nettwasennefru ara. [53][54]. Tizrawin taddadanin timenza gucclent afimidi ayyi gar n 2% ar 3%, deg yennayer 2020 tebder-d Tuddsa Tamadlant n Tdawsa d akken isig n tmekkast yewweṭ ar 3%, d 2% deg fuṛaṛ 2020 deg uɣir n Hubei.[55] Taddadanin niden bedren-tt-d d akken isig n tmekkast yettwasrem (yettwabeddel) s unect n wemgarad n wakud n usentem n tujjit neɣ n tmekkast (lmut), am wuṭṭunen igan d 7% d 33% s wesnay i yimdanen deg Wuhan deg wass n 31 yennayer, yiwet n teftart n usenfar tessken-d 55 n tegnatin n tmekkast. Maca isazalen neɣ istigen izwaranen zemren ad ilin ssiɣlin deg-sen (rnan fellasen) acku ur tessekcem ara afimidi n yigimen yellan war isekna.[56]. Tazrawt-a testeg (tessazel) isig i wfimidi n yigimen ar tmekkasin s wazal n 0,8% ar 0,9%. [57]

[58]

Ẓeṛ daɣen[ẓreg | ẓreg aɣbalu]

Imniren[ẓreg | ẓreg aɣbalu]

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