Pfizer ’s CEO has said a COVID-19 vaccinum for the Omicron variant will reportedly be quick in March and the company has already get manufacturing doses . However , he lend that it ’s still uncertain whether there is a need for a fourth dose of the vaccinum .

“ This vaccine will be ready in March , ” Albert Bourla , chairman and master executive police officer of Pfizer toldCNBCon Monday . “ We [ are ] already starting manufacture some of these quantities at risk . ”

Data from UK scientistshas suggestedthat the tops - infectious Omicron variant largely evades exemption from previous contagion or two vaccine doses . However , receiving a “ booster ” guesswork can importantly increase immunity , with a third battery-acid raising effectiveness estimates against symptomatic Omicron infection to up to 80 per centum .

Bourla suggested that the vaccine will be fine - tuned to make it more effective at battling New variation of SARS - CoV-2 , a number like how the influenza ( flu ) vaccine is reformulated each year to suit whichever variant is in circulation . However , he add that it ’s currently unclear whether an Omicron vaccinum is needed or how it would be used . He also indicate that it ’s presently inconclusive whether a fourth dose would be worthwhile at all , but further datum might modify that stance .

" The hope is that we will accomplish something that will have way , way better protective cover particularly against infections , because the protection against the hospitalizations and the severe disease — it is fairish right now , with the current vaccines as long as you are having , let ’s say , the third dose , " Bourla explicate .

" I do n’t jazz if there is a demand for a 4th promoter , that is something that require to be tested . "

There are still many hoi polloi across the world who are yet to be full vaccinated due to a deficiency of access .   A vaccinum specifically point the dominant version   could , therefore , be especially usefulfor country with currently low vaccine coverage .

Although it ’s good to be machinate , it ’s not clear-cut that there is a demand for such a vaccine yet , especially in land with solid vaccine coverage . In December 2021 , Dr Anthony Fauci toldSTATthat he was not win over an Omicron - specific vaccinum   was necessary because it ’s trust the current booster amplifier shots will supply sufficient protection . UK government advisers are also currentlyrecommending againsta fourth COVID-19 vaccine superman .

On the other hand , the chief operating officer of Moderna , Stéphane Bancel , of late said that the company is working on an Omicron - point booster and consider that people will require booster unit in the crepuscule of 2022 afterantibodies from the vaccinum wanes .