Medicomunicare Magazine | Health and Medical News
In real-world pandemic situations, most COVID-19 vaccines have shown equivalent efficacy against the original SARS-CoV-2 and variant B.1.1.7, which was first identified in the UK. However, in general, those induced by natural infection showed lower efficacy in neutralizing variants B.1.351 and were identified for the first time in South Africa. and spike mutations E484K and
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