Anando Sangbad Live :The hectic climate of India,most probably in West Bengal and sovereign country Bangladesh is against natural mutation of COVID-19,which may be responsible for attenuation of this virus and gradually favours to build up it vaccine and their is a hypothesis of cross immunity which is generated by different types of infections and routine immunizations in Indian sub continent.
Dr.Uppal Hazra ,M.B.B.S.,R.G. Kar MCH(Cal),Post Graduate Diploma in Health Sciences in Medical Cosmetology (Under Faculty Of Medicine, Annamalai University,Rajah Muthiah Institute of Health Sciences,TN)
Registration Number:59423WBMC
