A comprehensive UK study is currently assessing the benefits of alternating sequential combo vaccine shots of AstraZeneca, and Pfizer BioNTech vaccine. This Com-Cov project has been taking place under auspices of University of Oxford, England that spearheaded the AstraZeneca product. Now preliminary results already suggest the vaccines may be combined with safe results, and good protection too.
The Core of the Com-Cov COVID Vaccine Study Finding
The researchers concluded the dual vaccine approach worked well, regardless whether the AstraZeneca or Pfizer was the first jab. Moreover, both combinations produced robust responses in priming the immune system, they told CNBC News June 28 2021. This offers the distinct advantage of greater flexibility for vaccine rollout.
The same approach could likely be taken with third, COVID boosters according to BBC correspondent Michelle Roberts. This could be the case even if the first two shots did not follow the combo vaccine approach. Being able to flex that way could become critical if supplies of one vaccine became scarce later.
United Kingdom Unwilling to Try Combo Vaccine Method Yet
The United Kingdom is ahead of most nations in terms of second COVID shots. Perhaps for this reason deputy chief medical officer, Prof Jonathan Van-Tam sees no reason to alter current policy. He cites the fact the already-given vaccines are in good supply in his country.
That said, the dual approach could prove invaluable in developing countries. Many of these are holding their hopes on vaccine donations from Covax, and wealthier countries. Especially as surplus stocks in the West approach their use-by-dates, where after they are of no use.
Some European countries, including Spain and Germany are already offering Pfizer BioNTech, and Moderna mRNA as second shots too. We hope the Com-Cov discovery helps the initial rollout go faster. And perhaps eventually dilutes the influence of a few large pharmaceutical companies, gained from their remarkable achievements for which they deserve praise.
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