“Najveći rizik za svijet u ovom trenutku je delta soj koronavirusa”

Delta soj je najbrža, najizdržljivija i najopasnija verzija korona virusa sa kojom se svijet suočio, tvrde virusolozi i epidemiolozi.
Vakcine i dalje nude vrlo snažnu zaštitu u odbrani protiv teških infekcija i hospitalizacija izazvanih bilo kojom verzijom korona virusa, a oni koji su u najvećem riziku su i dalje nevakcinisani, prema tvrdnjama deset vodećih stručnjaka za kovid 19, prenosi agencija Rojters.
Glavna briga oko delta soja, koji je prvi put identifikovan u Indiji, nije u tome što ljudi imaju teže simptome, već je u tome što se mnogo lakše širi od osobe do osobe, povećavajući broj infekcija i hospitalizacije među nevakcinisanima.
Sve je više dokaza i da je u stanju da zarazi sve veći broj kompletno vakcinisanih ljudi za razliku od prethodnih verzija, i izražena je zabrinutost da bi oni dalje mogli raširiti virus, tvrde ovi stručnjaci.
“Najveći rizik za svijet u ovom trenutku je delta”, izjavila je mikrobiološkinja Šeron Pikok, koja rukovodi britanskim naporima za sekvenciranje genoma varijanti korona virusa, nazivajući delta soj “najizdržljivijom i najbržom varijantom do sada”.
Virusi se neprestano razvijaju mutacijama, a pojavljuju se nove varijante koje su ponekad opasnije od izvornih. Javno zdravstvo Engleske saopštilo je u petak da je od ukupno 3.692 ljudi hospitalizovanih u Britaniji sa delta varijantom, njih 58,3 odsto bilo nevakcinisano, a 22,8 odsto potpuno vakcinisano.
U Singapuru, gdje je delta soj najčešća varijanta, vladini zvaničnici izvijestili su u petak da su tri četvrtine slucajeva korona virusa registrovane među vakcinisanim osobama, mada nijedan nije bio teško bolestan.
Izraelski zdravstveni službenici saopštili su da su 60 odsto slučajeva od trenutno hospitalizovanih od kovida zapravo vakcinisani pojedinci. U SAD, koje su registrovale najviše slučajeva zaražavanja kovidom i smrtnih slučajeva nego bilo koja druga zemlja, delta varijanta predstavlja oko 83 odsto novih infekcija.
Jedna studija u Kini je otkrila da ljudi zaraženi delta sojem nose 1.000 puta više virusa u nosu u poređenju sa sojem “Vuhan” koji je prvi put identifikovan u tom kineskom gradu 2019. godine.
“Možete zapravo izlučiti više virusa i zato je on prenosiviji. To se još istražuje”, rekla je Pikok.
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