Nzira yeWest Nile Virus Infections Inozivikanwa

Kuongororwa kweropa kunoshandiswa kuongorora hutachiona hweWest Nile. Ichi kuedzwa chinangwa chekutarisa utachiona pachahwo kana kutarisa mamwe maitiro anokonzerwa nehutachiona hweWest Nile.

Kunyanya kuongororwa kunoitwa kuvanhu vane chirwere chakakomba nehutachiona hwekuWest Nile asi hazviwanzoitike kune avo vane chirwere chakaita sechirwere chechirwere.

Viral Detection

Kuongorora ropa kana muviri wemvura kune utachiona hweWest Nile pachayo hunozadziswa nepolymase chain reaction (PCR) , muedzo unogona kuona chaiwo mavharwo eRNA.

Uyu muedzo hauwanzobatsiri pakuongorora hutachiona hweWest Nile kuvanhu nokuti hutachiona kazhinji huripo muropa ropa kwenguva pfupi pfupi mushure mokunge utachiona hukaitika, uye kazhinji huri kuenda (kana kuti uri mumatokisi akaderera) nenguva zviratidzo zvinyoro zvinoitika. Saka nemhando dzakasimba dzehutachiona, kuongorora kwePCR kunowanzoshaya kunaka panguva yekuedzwa kunoitwa.

Zvisinei, kune vanhu vanowedzera mhirizhonga yakawanda yeWest Nile fever, hutachiona huri kunyanya kuve muropa reropa apo nguva inenge ichirwara, saka kuongorora kwePCR kunowanzova yakakosha.

Uyewo, kuongorora kwePCR kwechirebrospinal fluid (CSF) inobatsira kune vanhu vane West Nile meningitis kana encephalitis , nokuti hutachiona kazhinji huripo muCSF mune izvi vanhu.

Antibody Testing

ELISA kuongororwa (enzyme-inobatanidza immunosorbent assay) inogona kuona kuvepo kwezvirwere zveGIG izvo muviri wakaita kuti urwise utachiona hweWest Nile. Uyu muedzo unowanzoitwa kaviri-panguva yekurwara kwakanyanya, uyezve zvakare panguva ye convalescent. Kuwedzera uye kuwa kweGigM antibody mazinga kunowanzokwanika kuti atange kuongororwa.

Kuongororwa kwehutachiona hweWest Nile kunogona kunge yakadhura, uye kududzira maedzo aya kazhinji haisi zvakananga. Saka kuongororwa kwerwere hweWest Nile kunowanzoitwa chete kana zvichionekwa sekukosha kuti zvive zvakanyanya kuongororwa.

Routine Lab Kuedza

Kunyange zvazvo kuongorora ropa nguva dzose (zvakadai sekuverenga ropa uye serum electrolytes) kunoitwa munenge chero munhu upi noupi ane chirwere chakaoma, izvi zvidzidzo hazvisi kunyanya kuzivisa kune munhu ane utachiona hweWest Nile.

Nguva Yokuedzwa

Ruzhinji rwevanhu vanotapukirwa neWest Nile virusi havakwanise kuongororwa kuongororwa-uye havadi. Vanhu vazhinji vanoratidzirwa nehutachiona hweWest Nile kana vasina zviratidzo zvachose, kana kuti vanokurira chirwere chinenge chisina kukwana-chinorwarisa izvo vanozvichengeta ivo pachavo, pasina kubvunza vashandi vezvokurapa.

Ichokwadi, chimwe chinhu chakafanana ne80 muzana yenguva iyo utachiona hweWest Nile hutachiona husingaenzaniswi kubva kune "nguva yechando yezhizha" isu tose tinosangana nako nenguva nenguva. Nemhaka yokuti hapana hutachiona hwehutachiona hunokonzera zvirwere zvakadaro (kusanganisira kuWerge Nile), vanachiremba, zvakakodzera, musaita kuongororwa kwepamutengo kuti vaone hutachiona hupi hunoita "kutonhora" kwedu.

Pane, zvisinei, maitiro akawanda umo kujekesa kunonyanya kukosha.

Zvinonyanya kukosha, izvi ndizvo zviitiko:

Dzimwe dzakawanda zvirwere zvakakomba zvinogona kutarisa zvakafanana nehutano hunokonzerwa nehutachiona hweWest Nile, saka zvakakosha kuvhara pasi kufungidzirwa sezvinobvira.

Mukugadzira chirwere chakakodzera, chiremba anofanira kusanganisira (kuwedzera kune kuongororwa kwema laboratory), kutora nhoroondo yakanyatsonaka yehupenyu hwekufamba kwenguva, uye yekutsvaira kumumyoko kana kuti kunyohwa. (Chirwere cheWest Nile hachizivikanwi kupararira kuvanhu kubva pamakiti, asi zvimwe zvirwere zvakadai ndizvo.)

Zvichida zvirwere zvakakomba zvinogona kuvhiringidzwa nehutachiona hweWest Nile dzinosanganisira:

Zvakawanda zvezvirwere izvi zvinoda kurapwa nemishonga inorwisa mabhakitiriya. Nokuda kwechikonzero ichi, zvakakosha kuita kuti kunyatsoongorora kana mumwe munhu ane chirwere chakakomba chingave (kana kuti chisingaiti) chinogona kuitika nokuda kwechirwere cheWest Nile.

> Sources:

> Barzon L, Pacenti M, Ulbert S, Palù G. Zvakare Kuvandudzwa uye Matambudziko Mukuona Kuwanikwa kweWest West Nile Virus Infection. Nyanzvi Rev Anti Infect Ther 2015; 13: 327.

> Busch MP, Kleinman SH, Tobler LH, Et Al. Virus uye Antibody Dynamics MuAtest West Nile Virus Infection. J Infect Dis 2008; 198: 984.

> Lindsey NP, Staples JE, Lehman JA, Et Al. Kuongororwa Kwevanhu veWest West Nile Virus - United States, 1999-2008. MMWR Ongororo Summ 2010; 59: 1.