Pfizer vaccine .. disclosure of an important step to counter "Mutated corona" – previously

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1. Pfizer vaccine … an important step to tackle the “Corona mutation” has been revealedPreviously
2. “Pfizer” and “Moderna” test their vaccines on the new Corona strain24 February 24 – Akhbaar24
3. “CNN”: “Pfizer” and “Moderna” Test Vaccines on New Corona StrainArabic RT
4. “Pfizer” and “Moderna” test their vaccines on the new strainPolitics
5. “Pfizer” and “Moderna” Test Vaccines Against New “Corona” StrainMiddle East Asharq Al-awsat
6. See full news coverage on Google News