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AstraZeneca Covid-19 vaccine shows less effect against South African variant
![AstraZeneca Covid-19 vaccine shows less effect against South African variant 48](https://topnewsnaija.com/wp-content/uploads/2021/02/1612717069_Vaccine.png)
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AstraZeneca Covid-19 vaccine appears to have shown limited effect against the variant discovered in South Africa.
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AstraZeneca Covid-19 vaccine appears to have shown limited effect against the variant discovered in South Africa.
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