Since its first documented case in the 17th century, a great mystery surrounded yellow fever. What was its cause? Theories included "fomites" — contaminated objects like clothing and bedding ...

In the 20th century, a vaccine for yellow fever was developed to protect people in regions where the disease still flourishes. Epidemics continued, however, during every decade of the century, and ...

Asked how she was fairing during the shelter in place, Stanford University historian Kathryn Olivarius reflected on being a researcher studying early American epidemics during the COVID-19 crisis.

Kenya: Kenyans crossing over to Tanzania will not be forced to undergo yellow fever vaccination, Tanzanian Minister for East African Affairs Samuel Sitta has said. Instructing Immigration ...