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Covid-19: Razvoj vakcine, imunitet i primena medikamenata


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Gomila otkrića u nauci desila su se igrom slučaja ili greškom.
 
Penicilin je otkriven slučajno.
superprovodnost takodje, prema legendi asistent zaspao tokom eksperimenta.

sent from bubamoto

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Panorama tells the inside story of the development of the Oxford vaccine against Covid-19. For the past 11 months, the BBC's medical editor Fergus Walsh followed the team at Oxford University and AstraZeneca, as they designed, developed, manufactured, and trialled the vaccine. As the pandemic worsened, the programme follows volunteers in the trial in the UK, Brazil, and the USA. Fergus Walsh scrutinizes the data that has come out of the trials and examines the vaccination's efficacy and safety. He provides a unique inside view on a remarkable year for science.

 

 

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A Boston doctor suffered a serious allergic reaction to Moderna’s coronavirus vaccine, the first of its kind documented, a report said Friday.

Dr. Hossein Sadrzadeh, a geriatric oncologist at Boston Medical Center, became dizzy and felt his heart racing minutes after receiving the vaccine on Thursday, he told The New York Times.

"It was the same anaphylactic reaction that I experience with shellfish," Dr. Sadrzadeh told the paper, noting that his tongue became numb, his blood pressure plummeted and he broke into a cold sweat.

"I don’t want anybody to go through that."

Sadrzadeh self-administered an EpiPen he brought in the event of such a reaction, and was discharged following a brief emergency room examination, the report said.

Though a handful of recipients of the Pfizer-BioNTech vaccine have reported allergic reactions to that inoculation — including a New York City health care worker — Sadrzadeh’s symptoms mark the first known reaction of its severity to the Moderna shot.

The vaccines, which have similar ingredients, both require two shots administered a few weeks apart.

https://www.foxnews.com/us/doctor-reportedly-severe-allergic-reaction-moderna-covid-vaccine

Edited by vememah
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22 minutes ago, Dankan Ajdaho said:

Koliki je procenat tih alergijskih reakcija?

 

Jednocifren broj slučaja, ovo je prvi za Modernu, a za Fajzer je bilo valjda 6 dosad na ukupno preko milion doza zbirno za obe vakcine.

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U naredna 3 dana Astra dobija dozvolu za UK i krece pelcovanje 4. JAN i to 2mil ljudi za 14 dana. Zvuci preambiciozno.

Izgleda da pola doze-puna doza nije opcija nego duzi vremenski razmak izmedju 2 pune doze. To su valjda otkrili sa ovim odlozenim testiranjem u US.

No da sacekamo par dana da cujemo direktno od mudrih glava iz Oksforda.

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Profesor imunologije i onkologije na Fakultetu medicinskih nauka u Kragujevcu Nebojša Arsenijević kaže da su u vakcini protiv koronavirusa primenjene sve norme, ali i da postoje nepoznanice.

"Po svim uzusima kako se kontroliše neka nova vakcina ili bilo koji novi lek pre nego što se da na opštu upotrebu, kod vakcina protiv kovida koje su sada u opticaju, sve je u potpunosti ispoštovano. Počevši od uzorka od 40.000 ispitanika", rekao je Arsenijević za portal Glas Šumadije.

 

Zbog rokova nisu mogli da se prate prolongirani negativni efekti, pa trenutno ne može da se kaže koliko će da traje njena imunost, kazao je on i dodao da su to za sada najveće nepoznanice.

 

Sve što se "unese" u telo može da napravi posledicu "odmah, za nekoliko dana, meseci i za nekoliko desetina godina", smatra on.

"O tome šta će da bude za sada možemo samo da nagađamo. Ja imam rezervu, jer je to prvi put da se u istoriji medicine daje vakcina protiv RNK virusa - koji u sebi imaju samo ribonukleinsku kiselinu", rekao je Arsenijević.

 

Prema njegovim rečima prvi put je u istoriji medicine, strana nukleinska kiselina sa lipidnim (masnim) omotačem koji liči na ćelijsku membranu "ubačena" u ljudski organizam.

 

Arsenijević kaže da je veliki problem "džungla" informacija, vesti, članaka u naučnim časopisima, mejlovima i na društvenim mrežama.

 

"Neki lažu svesno, neki ne. Neki šire paniku kao 'samo prenose šta je drugi rekao, pa nisu dobro razumeli'", ali svrha tog 'organizovanog govora', ne samo o vakcinama nego uopšte u današnjoj civilizaciji, nije u tome da vas neko slaže, nego je u tome da vas toliko zatrpaju informacijama da vi posle nekog vremena više nikome ne verujete", smatra on.

 

"Kada dođete u taj stadijum da više nikome ništa ne verujete, onda je pitanje 'da li hoćeš da primiš vakcinu ili ne', deplasirano bilo kom pojedincu, pa i meni", smatra Arsenijević koji je i sam preležao koronu.

 

 

http://rs.n1info.com/Vesti/a688357/Imunolog-Vakcina-po-svim-normama-ali-postoje-nepoznanice.html

 

 

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