Detail explanation on covid19 vaccine and herd immunity. Pls comment your comments
bohot se desho me lockdown late lagaya gaya ya nhi lagaya gaya toh aisa kyu kya wajah thi kyu jab corona k cases badh rahe the still lockdown avoid kiya gaya kaise logo virus se immune hote hai seroepidemiology ki…
As many grow anxious about long-term closures due to the pandemic, some are pushing the idea of developing “herd immunity” in order to make most people resistant to the disease by spreading it. Dr. Ashish Jha, director of the Harvard…