New study: 2 doses of Pfizer or AstraZeneca shots effective against Delta variant
News study of covid-19: Two doses of Pfizer or AstraZeneca's Covid-19 vaccine are nearly as effective against the highly transmissible...
HEALTH
Environmental pollution is harmfull for world : Dry starch powder factory sealed off in Habiganj
The administration has sealed off Maize Advance Argo Refineries (MAAR) Limited, a dry starch powder producing company, in Habiganj on...
