To be eligible for an Master in Microbiology, you typically need a BSc in a science field, such as chemistry, botany, physiology, microbiology, or zoology. You may also need to have scored at least 50% or 55% in your BSc, depending on your category.bsc in public health includes biostatistics, epidemiology, environmental health, and health policy and it dont have subject botany which is necessary for msc in microbiology so it is not possible for public health students to pursue master in microbiology.