Last century’s epidemics far more deadly than 21st century’s


PARIS– Before the emergence late last year of the novel coronavirus, which has now killed more than 100,000 people, the 21st century’s epidemics had been far less deadly than the pandemics of the previous century.

Here are the major epidemics of the last two centuries, starting with the most recent: The deadliest epidemic of the hemorrhagic fever Ebola broke out in West Africa in December 2013 and lasted more than two years, killing more than 11,300 people, mainly in Guinea, Liberia and Sierra Leone.

Health workers embrace whilst putting on their personal protective equipment (PPE) before heading into the red zone at a newly build MSF (Doctors Without Borders) supported ebola treatment centre (ETC) on November 7, 2018 in Bunia, Democratic Republic of the Congo. (File/AFP)

First identified in 1976, Ebola is less contagious than other viral diseases, but is particularly lethal, killing around 50 percent of cases.

The virus re-emerged in August 2018 in the eastern Democratic Republic of Congo where it has so far killed more than 2,200. On April 10, 2020 a new case was reported, just three days before a deadline that would have marked the official end to the epidemic.

Microscopic view of Ebola Virus. (Shutterstock)

The World Health Organization (WHO) says 18,500 people died of “Swine flu,” or H1N1, which was first uncovered in Mexico and the United States in March 2009.

The Lancet medical review, however, puts the toll at between 151,700 and 575,400.

The pandemic alert was launched on June 11, 2009 and lifted on August 10, 2010 but the virus turned out to be not as deadly as first feared.

Vaccines were rushed out, but in hindsight, the West, particularly Europe, and the WHO were criticized for overreacting at a time when annual influenza epidemics every year kill between 250,000 and 500,000 people, according to the Geneva-based UN health agency.

A group of people formerly under quarantine from swine flu leave a holiday centre turned into quarantine center in Hong Kong on May 7, 2009. (File/AFP)

The deadly H5N1 strain of bird flu killed more than 400 people, mainly in Southeast Asia, after appearing in 2003. It first ravaged poultry farms in Hong Kong, before being transmitted to humans. The WHO declared a global health emergency, but the toll remained limited.

This colorized negative stained transmission electron micrograph of the swine flu virus. (Shutterstock)

Severe Acute Respiratory Syndrome first emerged in southern China in November 2002 before sparking a health crisis in mid-2003, in particular traumatising Asia.

It killed 774 people, four fifths of whom were in China and Hong Kong. It was transmitted to humans from horseshoe bats, eventually spreading to around 30 countries. It had a mortality rate of 9.5 percent.

AIDS is by far the most deadly epidemic of modern times: according to UNAIDS some 32 million people around the world have died of the disease which affects the immune system and leaves people vulnerable to opportunistic infections.

Today around 24.5 million people have access to retroviral drugs which, when taken regularly, efficiently stop the illness in its tracks and heavily reduce the risk of contamination.


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