Who invented PCR that is used nowadays to identify COVID patients?Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
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Nikhil Panjiyar
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When & How the corona virus end so that our education system will be normal again ? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)