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Taking the first dose of Pfizer Covid vaccine and then AstraZeneca for the second can provide good protection against the pandemic virus, a study has found.
![](https://resize.indiatvnews.com/en/resize/newbucket/715_-/2021/06/astrazeneca-pfizer-1624987451.jpg)
Taking the first dose of Pfizer Covid vaccine and then AstraZeneca for the second can provide good protection against the pandemic virus, a study has found. June 29, 2021 at 11:04PM https://ift.tt/2SD48eM
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