deadliest diseases in human history

Confusing Words in English Language. Free Reading..

Smallpox

Deadliest Diseases in human history

Smallpox

An ancient and greatly feared disease, smallpox is fatal in as many as 30 percent of cases. The death toll was estimated at almost 500 million until it was declared eradicated in 1977 after a WHO programme of vaccination.


Tuberculosis
Chronic lung disease
HIV
Bubonic plague
Whooping cough
Cardiovascular disease
Spanish flu
Influenza A H1N1
SARS
Yellow fever
Smallpox
Leprosy
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