Top 10 Deadliest Pandemics in history || ലോകത്തെ വിറപ്പിച്ച 10 പകർച്ചവ്യാധികൾ !!!

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Top 10 Deadliest Pandemics in history || ലോകത്തെ വിറപ്പിച്ച 10 പകർച്ചവ്യാധികൾ !!! Deadliest pandemics in history
Even before the corona virus ( Covid 19) attack, There were a lot of pandemics which affected the world which were even dangerous than the covid 19.