Anthrax

What’s Your Rare iQ?

The worst known Ebola epidemic lasted from late 2013 until early 2016. Which African country recorded the most cases of the Ebola virus?

Lassa fever (viral hemorrhagic fever)

Rare View

60% of tuberous sclerosis cases are diagnosed in the first year. Diagnosis slows down considerably after the first year.

Measured by: prevalence

Disease	Estimated US prevalence	Age of onset
Syphilis	115,045
Salmonellosis, excluding typhoid fever	60,999
Lyme disease	33,666
Shigellosis	16,333
Pertussis (whooping cough)	15,609
Acute hepatitis A viral infection	12,474
Tuberculosis	9,025
Haemophilus influenzae, invasive	5,573
Spotted fever rickettsiosis	5,544
Acute hepatitis C viral infection	4,768