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This was the first pandemic to affect the Byzantine Empire. The culprit bacterium was bubonic plague, which was carried by rats and transmitted to humans. -
This disease was brought by ships in Sicily, the symptoms were dark swellings in the armpits and groin, at that time the word quarantine appeared. -
The effects of this pandemic continue to this day. This pandemic affected 500 million people worldwide. -
Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV2 virus. It affects different people in different ways.