A number of vaccines are now out to provide immunity from the dreaded Coronavirus. The most popular are the Indian 'Covaxin' and 'Covidshield', Russia's 'Gamaleya', American BioNTech (Pfizer) and another from Moderna. Since data on Chinese vaccines is opaque and the great controversy surrounding them they have not been considered. Considering that a brand new vaccine created for a brand new disease rushed in and out of production, It is but natural that with so much negative press, and 'expert' opinions being broadcast to us all. India is a vaccine powerhouse with 6 manufacturers producing 60% of all global requirement. While the Indian and Russian ones use viral vector technology, the two vaccines developed by Pfizer and Moderna are "Messenger RNA" (mRNA) vaccines. Messenger RNA vaccines are new and revolutionary compared to traditional methods of vaccination. Here are 5 key points to know. What are antibodies and antigens? How do trad...
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