Covid-19 in the top 10 worst epidemics in the last 50 years

2019-nCoV or coronavirus evoked a state of concern worldwide. WHO classified the epidemic as a global public health emergency. The worst epidemics which have affected the world in the last 53 years are listed in the table below.
Name of the virusNature of the virusYearNumber of people affectedNumber of deathsMortality rateNumber of affected countries or territories
2019-nCoV (1)
Coronavirus is a new form of respiratory syndrome.
The virus, which first appeared in China, is of animal origin and is transmissible between humans
2020139 776 4303 001 8252.14%210
Avian influenza A H7N9
Avian influenza virus. It was first discovered in Shanghai.
The virus normally affects birds..
20131 56861639.30%3
MERS (2)
Middle East Respiratory Syndrome (MERS) viral respiratory disease first detected in Saudi Arabia.
20122 49485834.40%28
H1N1 (3)
Swine influenza: severe respiratory disease coming from different swine, avian and human influenza viruses.
2009>762 630 000>284 5000.02%214
Acute and severe respiratory syndrome. The epidemic, originating from China, is believed to stem from bats.
20028 0967749.60%29
Viral infection which appeared in Malaysia and Singapore. It is transmissible to human beings via contaminated porks. The natural hosts of this virus are bats.
Avian influenza virus. The first human case of infection was in Hong Kong.
A deadly respiratory or neurological impairment. It is transmissible to horses and human beings through bats.
Ebola (4)
A hemorrhagic fever which originates from bats. The outbreak of the virus is Africa.
197633 57713 56240.40%9
Endemic virus which has spread in several African countries.

(1) Data of April 16, 2021
(2) End of November 2009
(3) Period between 2009 and 2010
(4) On January 31, 2020

The different epidemics originate from viruses transmissible to human beings through animals: bats, birds, etc.

The Swine influenza is the disease that has inflicted the most devastation. From 2009 to 2010, the latter epidemic has caused the death of approximately 300 000 people in more than 214 countries. The virus is transmissible from pork to human beings through direct or indirect contact.

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