It will be used in six other states too. Corbevax of Biological E is also expected to start coming in this month. No decision so far on the government procuring Covovax.
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https://theprint.in/health/5-months-after-nod-zycov-d-set-for-rollout-in-7-states-bihar-starts-getting-1st-set-of-shots/818135/