Mam, please explain why At 5:7 questn, it is not propagated coz, there are not secondary waves seen in the graph clearly
@heenapatel74683 жыл бұрын
Mam can you make video for types of study design
@Yogg8753 жыл бұрын
Hello Mam, please tell me , why hepatitis A is in propagated epidemic and not under multiple exposure even when it's a faeco oral disease just like typhoid in multiple exposure