Will a Nasal Vaccine be more effective against COVID- 19?Yes, say trials
Hyderabad, Feb. 21 -- Which one would you prefer-A jab that can be slightly painful or a drop that smoothly passes through the nose? While, the injection based vaccine to provide protection against COVID-19 has arrived to fight the pandemic, the nasal spray type is in the trials stage.
Two new technology derived vaccines, developed through the mRNA (messenger ribonuclease acid) route from Pfizer &/BioNTech, Germany and Moderna Inc., USA and at least three from the traditional types based on live accentuated virus from Oxford-Astra Zeneca- Serum Institute of India (SII), Pune, Sputnik V from Russia and COVAXIN from Bharat Biotech & National Institute of Virology (NIV), Pune are now available.
The mRNA vaccines are expensive, need cold st...
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