New strains of the coronavirus could be more infectious, All India Institute of Medical Sciences (AIIMS) Delhi chief Dr. Randeep Guleria said in a recent interview. According to Dr. Guleria, the new strains of the virus can cause reinfections and this could render the vaccines less effective. This makes herd immunity a "myth" in India, he said. Here are more details.
source https://www.newsbytesapp.com/news/india/aiims-chief-randeep-guleria-on-new-covid-19-strains/story
source https://www.newsbytesapp.com/news/india/aiims-chief-randeep-guleria-on-new-covid-19-strains/story
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