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Period: 1347 to 1353
The Black Death
estimated deaths 50 million people
cases not mentioned
Bubonic plague infects your lymphatic system (a part of the immune system), causing inflammation in your lymph nodes. Untreated, it can move into the blood (causing septicemic plague) or to the lungs (causing pneumonic plague). -
Period: to
HIV/AIDS
Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging your immune system, HIV interferes with your body's ability to fight infection and disease.There's no cure for HIV/AIDS, but medications can dramatically slow the progression of the disease. These drugs have reduced AIDS deaths in many developed nations.
in 2019 there were 38.0 million cases and more are coming It, seaths no known -
Period: to
Corona virus
Appeared :First appeared in Wuhan, China, in December 2019..Though it was only just discovered, 2019-Covid has already spread rapidly in China and around the world. Damage to the human body: Corona viruses are a large family of viruses that cause respiratory illnesses. symptoms:
cases 45.5 M and more are coming
till now deaths are 1.19M
it has spread in the whole world
present