A ƙarshen 2020, hanyoyin iska sun cika da nasara rahoton na Pfizer da Moderna's "95% tasiri" covid-19 rigakafi. Miliyoyin sun naɗe hannayensu tare da imanin cewa isa ga garken garken zai kawo ƙarshen cutar.
Amma ya zuwa watan Yuni 2021, labarin ƙarshen wasan ya ƙare a rubuce. Ƙasashen da aka yi wa alurar riga kafi sosai kamar Isra'ila suna fuskantar a sabon kalaman na kamuwa da cutar covid, adadin allurar rigakafin ya fara raguwa, kuma shakkun jama'a na yin dusar ƙanƙara.
Hukumomi sun yi kokarin kawar da fargaba ta hanyar cewa sabbin cututtukan sun kasance "nasarorin da ba kasafai ba,” amma bayanan sun yi wuya a yi watsi da su.
A farkon watan Yuli, Ma'aikatar Lafiya ta Isra'ila ta ba da rahoton cewa tasirin allurar rigakafin kamuwa da cuta da alamun alamun yana da ya koma 64 kashi dari. Makonni uku bayan haka, kiyasin da aka yi bita ya sanya allurar Pfizer a daidai 39 kashi tasiri.
Bayar da jinkiri
Ka'idoji tacewa kwanan wata mai hatimi daga Afrilu 2021 ya nuna Pfizer yana da kwakkwarar shaida cewa ingancin rigakafinta ya ragu - sakamakon kamfanin bai fito fili ba. saki har zuwa karshen watan Yuli.
Peter Doshi, mataimakin farfesa a Makarantar Magunguna ta Jami'ar Maryland, ya isa ga waɗannan takaddun daga mai kula da magungunan Kanada, Lafiya Kanada.
"A bayyane yake a cikin takardun cewa waɗannan nazarin sun kusan watanni huɗu a lokacin da suka fito fili," in ji Doshi.
"Abin takaici ne cewa Pfizer, ko masu mulki, ba su bayyana wadannan bayanan ba har sai da ya bayyana a fili a yi watsi da sabbin barkewar cutar a Isra'ila da Massachusetts, wanda ya bayyana karara cewa aikin rigakafin ba ya ci gaba."
Lokacin da aka fara ba da izinin rigakafin mRNA a cikin 2020, masana kimiyya na FDA sun yi da aka jera m 'rabu' a cikin ilmi tushe. Biyu daga cikinsu sun kasance tasiri a kan watsa kwayar cuta da kuma tsawon lokacin kariya.
Amma a ranar 1 ga Afrilu, 2021, lokacin da Pfizer sanar Bayanansa na watanni 6 daga gwajin sa na Mataki na III, babu maganar raguwar rigakafi ta Pfizer ko masu gudanarwa. Akasin haka, jami'ai sun maimaita daidaitattun wuraren magana.
Da yake magana a gidan talabijin na kasa, Anthony Fauci ya gaya jama'ar Amurkan cewa "lokacin da aka yi muku allurar, ba wai kawai kuna kare lafiyar ku ba… kun zama ƙarshen kwayar cutar."
Anthony Fauci akan Labaran CBS - Mayu 16, 2021
Sannan, akan tukin rigakafin gida-gida, Fauci ya gaya wani mazaunin da ba a yi masa alluran rigakafi ba, “a cikin daman da ba kasafai ake samun sa ba ko da an yi maka allurar… ba ka ma jin rashin lafiya, kamar ba ka san ka kamu da cutar ba.”
Martin Kulldorff, masanin ilimin halittu, kuma farfesa a fannin likitanci a Harvard (a kan hutu) ya ce ya ji takaici da rashin bayyana gaskiya.
"A cikin lafiyar jama'a, yana da mahimmanci a faɗi gaskiya tare da jama'a. Ya kamata Pfizer ya ba da rahoton raguwar tasirin rigakafin a cikin Afrilu 1, 2021 latsa release, wanda a fili sun sani game da shi a lokacin, "in ji Kulldorff.
Pfizer bai bada bayanin dalilin da yasa ya jinkirta buga bayanan sa ba. FDA ba ta tabbatar da lokacin da ta fara koya game da raguwar inganci ba kuma Lafiyar Kanada ba ta amsa ba har zuwa lokacin ƙarshe.
Sakamakon boye bayanai?
A cikin wancan jinkiri na watanni hudu, kusan Amurkawa miliyan 90 ne suka yi layi don yin allurar (duba jadawali), ba tare da sanin cewa an riga an yi bayanai a hannu ba, suna nuna cewa allurai biyu na iya zama tambaya ta ƙarshe.
Doshi ya yi hasashen cewa idan aka gaya wa jama'a game da raguwar ingancin aiki a cikin Afrilu 2021, mai yiwuwa hakan ya kawo cikas ga kamfen ɗin rigakafin da ke da babban tasiri.
Doshi ya ce "Bayyana cewa ingancin ya ragu nan ba da jimawa ba bayan izini na iya lalata sahihancin hukumomi, wadanda ke ba da kwarin gwiwa game da karfin allurar rigakafin cutar," in ji Doshi.
Doshi ya kara da cewa, "Haka kuma, kimantawar amincin ta dogara ne akan tsarin allurai biyu, don haka buga bayanan da za su iya fara tattaunawa game da mutanen da ke bukatar karin allurai, tabbas na iya haifar da tambayoyi game da amincin rigakafin," in ji Doshi.
A cikin makonni da Pfizer ta buga bayananta game da raguwar inganci, Shugaba Biden umarni duk ma'aikatan tarayya (da ma'aikatan 'yan kwangila) don a yi musu allurar a cikin kwanaki 75, in ba haka ba za su fuskanci hukunci ko a dakatar da aikin su.
An sake bugawa daga marubucin Mayarwa
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Maryanne Demasi, 2023 Brownstone Fellow, ɗan rahoto ne na likita mai bincike tare da PhD a cikin ilimin rheumatology, wanda ya rubuta don kafofin watsa labarai na kan layi da manyan mujallu na likita. Sama da shekaru goma, ta samar da shirye-shiryen talabijin na Kamfanin Watsa Labarai na Australiya (ABC) kuma ta yi aiki a matsayin mai rubuta magana da mai ba da shawara kan harkokin siyasa na Ministan Kimiyya na Kudancin Australiya.
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