The contagious disease debased the majority of the population of America.
Europeans infected of smallpox to americans.
Smallpox caused the death of 90% of the natives.
Smallpox doesn't exist anymore.
Today exist a vaccine for the contagious disease.
Plague of Athens
430 BC - 426 BC
It was during Peloponesian war.
The plague attacked two cities Athens and Sparta.
Plague of Athens killed around 25% of people from the cities.
Sparta won the war for the plague of Athens.
Plague of Justinian
541 - 542
It was the firts appereance of bubonic plague.
The plague attacked east Europe people.
Plague of Justinian killed 5000 persons per day.
The Justinan emperor survived to the plague.
1347 - 1350
It was the worst plague of the history.
Black death killed between 75 and 200 millions of persons.
This pandemic was originated from fleas on rats.
Black death returned many occasions.
1347 - 1351
It was a disease that affected the lymph gland.
Around 50% of people infected died.
The plague is not dangerous today.
It can be treated with antibiotics.
1817 - 2012
Cholera is a bacterial disease.
It was causing severe diarrhea and dehydration.
It was caused by bacteria
Cholera has killed over 100,000 persons each year.
It causes stomachache.
1918 - 1920
It was a special virus of the flu.
Spanish flu killed around 100 millions the persons.
There were infected 500 million of persons.
It was called Spanish flu because Spain did not participate in the WWI.
2009 - 2010
It was caused by the variant of influenza.
This virus killed 150000 persons.
There were infected 575,000 persons.
This virus had 10% of mortality.