TOP 10 WORST PANDEMICS IN HISTORY! (MUST WATCH)

In this first video we are going to know about the worst Pandemics in history! We must be aware!

Song i used:
https://youtu.be/uOk8WdZOjQI

Source:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.mphonline.org/worst-pandemics-in-history/&ved=2ahUKEwi3mtSJl_jnAhXXaN4KHTSqB6kQFjACegQIDhAN&usg=AOvVaw35WczoVFgl63Nu5ElslolF