Tag Archives: india covid 19 vaccine update

Covid-19: how nasal, single injection and passive vaccines work

In the ongoing race for an effective Covid-19 vaccine, several pharmaceutical companies are exploring out of the ordinary places. Johnson & Johnson is testing a single-shot vaccine, while traditional vaccine candidates require two injections. Bharat Biotech has announced the manufacture of an intranasal vaccine, which will differentiate it from intramuscular …

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