Pfizer iri kufunga nezvechitatu dosi uye Moderna iri kufunga maboosters kana majekiseni ekutanga kurwisa zvinopesana.

Pfizer uye BioNTech vakazivisa kutanga kwe kudzidza kuongorora kuchengeteka uye immunogenicity (kukwanisa kuita kuti immune system) a mushonga wechitatu wejekiseni rako semushonga kurwisa mitsva mitsva yekoronavirus.

Chidzidzo ichi chichabva pane vanenge vapinda muchikamu chekutanga cheongororo yejekiseni muUnited States, avo vachapihwa mukana wekugashira 30 ug booster yejekiseni rakatenderwa kare pakati pemwedzi mitanhatu negumi nemiviri mushure mekugamuchira yavo yekutanga-dosi rejimeni.

Kune rimwe divi, kuti "vagadzirire chero shanduko inogona kuitika mune ramangwana," Pfizer neBioNTech vakazivisa kuti vari "kuchengeta hurukuro" nevakuru vane masimba, kusanganisira United States Food and Drug Administration (FDA). nokuda kwechidimbu chayo muChirungu) uye European Medicines Agency (EMA, nokuda kwechidimbu chayo muChirungu), kuyedza, mukati meongororo imwe chete iyi, mushonga wakagadziridzwa uchipikisa 'B.1.351' musiyano, wakaonekwa kuSouth Africa.

Izvi zvinogona kubvumira makambani gadziridza yazvino yekudzivirira nekukasira kana kukosha kwamuka kwekudzivirira kubva kune mitsva yeSARS-CoV-2 akasiyana. Nekudaro, makambani anotarisira kukwanisa kugonesa aya emangwana majekiseni nenzira yekudzora yakafanana neiyo iripo yekudzivirira furuwenza, iyo inovandudzwa gore rega rega. "Kuchinjika kwepuratifomu yedu yekudzivirira kunotibvumira kugadzira majekiseni ekuwedzera mukati memavhiki, kana zvichidikanwa. Iyi nzira yekudzora yakatotangwa kune zvimwe zvirwere zvinotapukira sefuruwenza, "akadaro CEO uye co-muvambi weBioNTech, Ugur Sahin.

"Kunyangwe hatisati taona humbowo hwekuti misiyano inokonzera kurasikirwa kwedziviriro zvinopihwa nejekiseni redu, tiri kutora akawanda matanho ekuita zvine hungwaru uye kugadzirira kana dambudziko rikaramba kune dziviriro inopiwa nejekiseni. Ichi chidzidzo chekusimudzira chakakosha kunzwisisa kuchengetedzwa kwedosi yechitatu uye kusadzivirirwa pakurwisa kutenderera. Panguva imwecheteyo, tiri kuita mari chaiyo uye kuita hurukuro nevanotungamira kuti tibatsire kuzviisa pachedu kuti tikwanise kusimudzira uye kunyorera mvumo yekudzivirira kana kusimudzira kana zvichidikanwa, "akadaro Mutungamiriri wePfizer uye CEO Albert Bourla.

Nenzira yakafanana, Moderna azivisa kuti apedza kugadzirwa kwezvinhu zvako mumiriri wevaccine kurwisa coronavirus akasiyana 'B.1.351, akatanga kuzivikanwa muSouth Africa, uye akatumira madosi kuUS National Institutes of Health (NIH) yeChikamu chekutanga chekiriniki.

Moderna iri kushandisa nzira mbiri zvinopesana nemhando idzi: chekutanga, kambani iri kuongorora booster dose yejekiseni rekuwedzera kusadzivirirwa kwezvirwere izvi. Kechipiri, kambani inoronga kuongorora yekudzivirira yakatobvumidzwa uye iyo yekuSouth Africa mutsauko se primary vaccination series ye seronegative people. Ava vamiriri vanozoongororwa mune maviri-dosi akateedzana pa100 ug dose level uye pazasi.

Chinyorwa chakagadzirirwa neEM zvichibva paruzivo rwakapihwa neEuropa Press