A cikin Amurka, kusan kashi 17% na sabbin shari'o'in Covid suna faruwa ne saboda bambancin EG.5, bisa ga kididdigar da Cibiyar Kula da Cututtuka ta Amurka (CDC). Bambancin EG shine juzu'i na nau'in sake hadewar XBB na dangin Omicron.
Idan aka kwatanta da iyayenta XBB.1.9.2, yana da ƙarin maye gurbi guda ɗaya zuwa girmansa a matsayi na 465. Wannan maye gurbi ya bayyana a cikin wasu bambance-bambancen coronavirus a baya. Masana kimiyya ba su da tabbacin wane sabbin dabaru ne ke baiwa kwayar cutar, amma mafarauta daban-daban suna mai da hankali, saboda yawancin sabbin zuriyar XBB sun karbe ta.
Maye gurbin 465 yana nan a cikin kusan kashi 35% na jerin coronavirus da aka ruwaito a duk duniya, gami da wani wanda ke karuwa a yankin Arewa maso Gabas, FL.1.5.1, yana ba da shawarar cewa yana ba da wani nau'in fa'idar juyin halitta akan sigar da ta gabata. EG.5 shima yanzu yana da nasa offshoot, EG.5.1, wanda ke ƙara maye gurbi na biyu zuwa karu. Wannan kuma yana yaduwa cikin sauri.
Farfesa na Microbiology da Immunology, Dokta David Ho, ya kasance yana gwada waɗannan bambance-bambancen a cikin dakin gwaje-gwajensa a Jami'ar Columbia don ganin yadda suke jure wa ƙwayoyin rigakafi da muke da su don kare su. A cikin imel zuwa CNN, ya ce, "Dukansu sun ɗan fi jurewa kawar da ƙwayoyin rigakafi a cikin kwayar cutar alurar riga kafi mutane. ”
Dokta Eric Topol, likitan zuciya a Cibiyar Nazarin Fassara ta Scripps, ya ce a asibiti waɗannan bambance-bambancen ba su haifar da alamu daban-daban ko mafi tsanani fiye da ƙwayoyin cuta da suka zo gabansu ba.
"A zahiri yana da ƙarin tserewa na rigakafi idan aka kwatanta da waɗanda suka kasance a cikin wannan jerin XBB," in ji shi.
"Yana da fa'ida, wanda shine dalilin da ya sa yake samun ƙafafu a duk faɗin duniya."
Bayan Amurka, EG.5 yana girma da sauri a Ireland, Faransa, Birtaniya, Japan, da China. The Hukumar Lafiya ta Duniya (WHO) ya inganta matsayinsa a makon da ya gabata daga wani nau'in da ake sa ido a kai zuwa wani nau'in sha'awa, matakin da ke nuni da cewa hukumar na ganin ya kamata a bi diddiginta tare da yin nazari a kai.
Bambancin ya zama mafi yaɗuwa a cikin Amurka kamar yadda lamura, ziyartar ɗakin gaggawa, da asibitoci ke haɓaka, kodayake babu wani abin da ke nuna cewa wannan takamaiman nau'in shine abin da ke haifar da karuwar.
Madadin haka, masu ilimin cututtukan dabbobi suna nuna halayen ɗan adam a matsayin injin don wannan haɓakar aiki. Suna nuna abubuwa kamar lokacin bazara - ƙarin mutane da ke zama a gida don kwantar da iska, tafiye-tafiye suna tura mutane zuwa wajen da'irar zamantakewar su ta yau da kullun, kuma makaranta tana komawa cikin zaman inda ƙwayoyin cuta suka shahara da yaduwa kamar gobarar daji.
Dokta Anne Hahn, wata abokiyar karatun digiri a Sashen Cutar Kwayar cuta na Cututtuka a Makarantar Yale na Kiwon Lafiyar Jama'a ta ce akwai dalilan da za su kasance da bege wannan tashin hankalin na Covid a halin yanzu ba zai yi muni ba.
"Muna farawa daga mafi ƙarancin tushe a hade tare da babban rigakafin yawan jama'a, wanda zai yi magana game da babban karuwa a kowane lokaci nan ba da jimawa ba. Koyaya, abin da waɗannan sabbin bambance-bambancen za su yi a lokacin hunturu ya rage a gani," in ji ta.
Matakan kwayar cutar da aka gano a cikin ruwan sha a watan Agusta kusan inda suke a cikin Maris, a cewar bayanai daga Biobot Analytics.
"Ina tsammanin za a sami cututtuka masu yaɗuwa, kuma ina tsammanin waɗannan cututtukan da ke yaɗuwa za su kasance masu sauƙi," in ji Dokta Dan Barouch, masanin ilimin rigakafi da ilimin ƙwayoyin cuta a Jami'ar Harvard da ke Boston.
The WHO shawarwari har yanzu tsaya: a yi allurar rigakafi, abin rufe fuska, kiyaye nesa mai aminci, tsaftace jiki, kuma idan kun gwada warewa kai har sai kun kasance mara kyau.
