HERD-IMMUNITY Posted: 24/10/2020 HERD IMMUNITY It is the indirect protection from a contagious infectious disease that happens when a population is immune either through vaccination or immunity developed through previous infection. Share: -->
Pakistan--to-convert-Gilgit-Baltistan--fifth-province-(Gilagit-baaltistaan-ko-paanchava-praant-mein-parivartit-karane-ke-lie-paakistaan)