Pfizer Kushanda Pamutero Wechitatu weiyo COVID-19 Vaccine Iyo 'Zvakasimba' Inowedzera Kudzivirirwa

Zvemukati

• Ongororo ye

Pakutanga zhizha rino, zvaiita kunge COVID-19 denda rakanga ratendeuka. Vakadzivirirwa zvizere vakaudzwa neCentre for Disease Control and Prevention muna Chivabvu kuti havachadi kupfeka masiki munzvimbo zhinji, uye huwandu hwezviitiko zveCOVID-19 muU.S. zvakange zvarambawo kwechinguva. Asi ipapo, iyo Delta (B.1.617.2) musiyano wakanyatso simudza musoro wayo wakashata.

Musiyano weDelta unokomberedza mazana makumi masere nemasere muzana ezviitiko zvitsva zveCOVID-19 muU.S.kana Chikunguru 17, zvinoenderana nedatha kubva kuCDC. Yakave yakabatanidzwa nechikamu che85 muzana chenjodzi yepamusoro yekurara muchipatara pane dzimwe tambo, uye 60 muzana inotapuriranwa kupfuura iyo Alpha (B.1.17) mutsauko, iyo yaimbove yakanyanya kuoma, maererano neongororo yaJune 2021. (Yakabatana: Nei Iyo Nyowani Delta COVID Musiyano Unotapukira Zvakadai?)

Zvidzidzo zvichangoburwa kubva kuEngland neScotland zvinoratidza kuti mushonga wePfizer haushande pakudzivirira kubva kuDelta musiyano sezvauri weAlpha, maererano neCDC. Ikozvino, hazvireve kuti vaccine haigone kukubatsira kuti usiyane nechirwere chechiratidzo kubva kune dhizaini - zvinongoreva kuti haina kunyatsoita pakuita izvi zvichienzaniswa nekugona kwayo kurwisa Alpha. Asi dzimwe dzinogona kuve nhau dzakanaka: NeChitatu, Pfizer akazivisa kuti wechitatu muyero wevharanda yeCOVID-19 inogona kuwedzera kudzivirirwa pamusiyano weDelta, kupfuura iyo kubva pamatanho ayo azvino. (Inoenderana: Inobudirira Sei iyo COVID-19 Vaccine)

Iyo data yakatumirwa online kubva kuPfizer inoratidza kuti wechitatu muyero wejekiseni unokwanisa kupa kanopfuura kashanu kosi yeanorwisa maronda inopesana neDelta musiyano muvanhu vari pakati pe18 ne55 zvichienzaniswa neiyo kubva pamiyero miviri yepfuti. Uye, maererano nezvakawanikwa nekambani, iyo booster yakatonyanya kushanda muvanhu vane makore makumi matanhatu nemashanu kusvika makumi masere nemashanu, ichiwedzera mazinga eantibody angangoita gumi nerimwe pakati peboka iri. Zvese zviri kutaurwa, iyo data seti yaive diki - vanhu makumi maviri nevatatu chete ndivo vakabatanidzwa - uye zvakawanikwa hazvisati zvaongororwa nevezera kana kuburitswa mupepanhau rekurapa.

"Tinoramba tichitenda kuti zvingangoita kuti imwe yechitatu dosi inosimudzira inogona kudiwa mukati memwedzi mitanhatu kusvika gumi nemiviri mushure mekudzivirira kwakazara kuchengetedza mwero wepamusoro wedziviriro, uye zvidzidzo zviri kuitika kuongorora kuchengetedzwa uye immunogenicity yedosi yechitatu," akadaro Mikael. Dolsten, MD, Ph.D., mukuru wezvesainzi uye mutungamiri weWorldwide Research, Development, uye Medicalfor Pfizer, mune chirevo Chitatu. Dr. Dolsten akaenderera mberi nekuwedzera, "Idzi data yekutanga inokurudzira zvikuru sezvo Delta iri kuramba ichipararira."

Sezviri pachena, iyo dziviriro inopihwa neyakajairika maviri-dziviriro Pfizer jekiseni inogona kutanga "kudzikira" mwedzi mitanhatu mushure mekumwiwa, sekureva kwechiratidzo chehomwe yemishonga neChitatu. Nekudaro, mukana wechitatu wechitatu unogona kunyanya kubatsira mukati, zvakapusa, kusimudzira kuchengetedzwa kwevanhu kubva kuCOVID-19 yakazara. Zvakakosha kucherechedza, zvisinei, kuti masero eantibody - kunyangwe chinhu chakakosha chekuzvidzivirira - haisi iyo yega metric yekuyera kugona kwemunhu kurwisa hutachiona, sekureva Iyo New York Times. Mune mamwe mazwi, yakawanda nguva uye kutsvagurudza kunodiwa kuti unzwisise zvechokwadi kana iyo pfosi yePfizer yechitatu iri, kukanganisa, zvese zvakatsemuka kuva.

Pamusoro pePfizer, vamwe vagadziri vejekiseni vakatsigirawo zano rekusimudzira pfuti. Moderna co-muvambi Derrick Rossi akaudza Nhau dzeTV mukutanga kwaChikunguru kuti chirwere chenguva dzose chevhavhavha yeCOVID-19 "chinenge chaicho" chinodiwa kuchengetedza hutachiona kurwisa hutachiona. Rossie akatosvika pakusvika achiti, "Zvinogona kusashamisa kuti tinoda booster inopfurwa gore rega." (Yakabatana: Unogona Kuda Tatu Dosi yeiyo COVID-19 Vaccine)

Johnson & Johnson CEO Alex Gorsky akasvetukirawo pane boosters-in-the-ramangwana chitima panguva Iyo Wall Street Journal 's Tech Health musangano mukutanga kwaJune, achiti iyo yakawedzerwa mitezo ingangodiwa muchirwere chekambani yake - zvirinani kudzamara kwekudzivirira hutachiona (aka apo ruzhinji rwevanhu rwunotapukirwa nechirwere chinotapukira). "Tinogona kunge tichitarisa tagi iyi pamwe chete nefuruwenza, pamwe mumakore akati wandei anotevera," akawedzera.

Asi kutanga kwaChikunguru, CDC neFood and Drug Administration yakaburitsa chirevo chakabatana ichiti "maAmerican akabaiwa jekiseni rakazara havadi booster shot panguva ino" uye kuti "FDA, CDC, neNIH [National Institutes of Health. "vari kuita sainzi-yakavakirwa, maitiro akaomarara ekufunga kuti kana nyowani inogona kudiwa."

"Isu tinoramba tichiongorora chero data nyowani sezvarinowanikwa uye rinoita kuti veruzhinji vazive," inoverenga chirevo "Isu takagadzirira mishonga yekuwedzera kana sainzi inoratidza kuti inodiwa."

Muchokwadi, neChitatu Dr. Dolsten akataura kuti Pfizer iri mu "nhaurirano dziri kuenderera" nemasangano anodzora muU.S. nezveanogona yechitatu booster dose yemushonga wezvino. Kana masangano akafunga kuti zvakakosha, Pfizer inoronga kuendesa chikumbiro chekushandiswa kwechimbichimbi muna Nyamavhuvhu, sekureva kwaDr. Dolstein. Chaizvoizvo, iwe unogona kunge uri kutora iyo COVID-19 booster kupfura mugore rinotevera.

Mashoko ari munyaya iyi akarurama seye nguva yekudhinda. Sezvo zvigadziriso nezve coronavirus COVID-19 zvichiramba zvichishanduka, zvinokwanisika kuti rumwe ruzivo uye kurudziro munyaya iyi zvachinja kubva pakatanga kuburitswa. Tinokukurudzira kuti uongorore nguva zhinji zviwanikwa zvakaita seCDC, iyo WHO, uye nedhipatimendi rako rezvehutano reveruzhinji kune yakanyanya-kudhara dhata uye kurudziro.

Ongororo ye