Between 30% and 60% of people with severe symptoms still die, according to the U.S. Centers for Disease Control and Prevention. Beyond the danger of the viral infection, yellow fever revealed the ...

For about half of the people who progress to this second phase, the disease will lead to death. The virus, classified as a flavivirus, is generally transmitted by Aedes aegypti mosquitoes, the reason ...

Paraguayan health authorities reported an increase in the demand for the yellow fever vaccine from people willing to travel ... It is a serious viral disease transmitted by mosquito bites.

The city declared an emergency on June 22, after 100 people had contracted the disease, including 20 who died. Despite the conclusions of the U.S. Army Yellow Fever Board in 1900, many people in ...

About 20,000 people fled, including George Washington ... signifying that no yellow fever patients remained. The disease caused an estimated 5,000 deaths that year in Philadelphia, about a ...

Once effective antiviral drugs are developed, they could potentially be administered to people with or without a fever to decrease or prevent disease symptoms at the first sign of a dengue outbreak.