Patterns followed by epidemic disease of every 100 years l prevention and symptoms of corona virus

#History follows pattern every 100 years for epidemic#
1720-The Great Plague of Marseille
The disease arrived on a merchant ship called the Grand Saint Antoine at French port city of Marseille. It carried infected passengers from Middle East and unloaded its cargo which contained rat fleas. Plague-carrying rat fleas soon spread across the city, sparking an epidemic. Plague walls” were even built to try to and contain the infection, but it still spilled over into southern France before finally disappearing in 1722. By then, it had killed roughly 100,000 people.

1817-1824 (Cholera)- average (1820)
The first cholera pandemic 1820 also known as the first Asiatic cholera pandemic or Asiatic cholera, began near the city of Calcutta (India) stemming from contaminated rice and spread throughout Southeast Asia to the Middle East, eastern Africa and the Mediterranean coast. Cholera highest death rate was in Thailand, Indonesia (killing 100,000 people on the island of Java alone) and the Philippines.

1918-1919 (Spanish Flu)- average (1920)
France was the epic centre of Spanish flu. It first originated in a hospital, overcrowded camp which was an ideal site for the spreading of a respiratory virus. The hospital treated thousands of victims of chemical attacks, and other casualties of war, and 100,000 soldiers passed through the camp every day. It also was home to a piggery, and poultry was regularly brought in for food supplies from surrounding villages. Significant precursor virus, harbored in birds, mutated and then migrated to pigs kept near the front. The death toll is estimated to have been anywhere from 50 million to100 million, making it one of the deadliest epidemics in human history

2019-2020 (Coronaviru)- average (2020)
#pattern of epidemic disease#viralworld123#

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