![](https://i.imgur.com/CLvY2jA.png")
Pfizer CEO Albert Bourla had said in January his company would have one available in March. Then BioNTech founder Ugur Sahin said last month he expected it to be available in April or May.
That factor has become more important given that the potency of current vaccines wanes after a few months, which has prompted booster campaigns.
While the results are yet to be published, early studies on animals suggest they "offer no advantage over a third dose of current vaccines," according to an article in the science journal Nature last month.
https://medicalxpress.com/news/2022-03-r...erman.html
That factor has become more important given that the potency of current vaccines wanes after a few months, which has prompted booster campaigns.
While the results are yet to be published, early studies on animals suggest they "offer no advantage over a third dose of current vaccines," according to an article in the science journal Nature last month.
https://medicalxpress.com/news/2022-03-r...erman.html
