Rocky Mountain spotted fever is spread by the brown dog tick, which feeds on dogs and people, and thrives in hot, arid climates

The new Bombali virus was discovered in bats in Sierra Leone and has also now been reported in bats in Kenya

A new study indicates that the evolutionary relationship between infected hosts can predict the impact of diseases

Bats have been the focus of virologists for a long time already as they carry many different kinds of viruses

Asian longhorned ticks threaten livestock, but scientists need help telling them apart from two near-identical species

Researchers describe two simultaneous outbreaks of respiratory illness in chimpanzees in the wild

Zoonotic diseases now constitute more than 60 percent of emerging infectious diseases

The microorganisms that cause malaria, leishmaniasis, and a variety of other illnesses today can be traced back at least to the time of dinosaurs

Wild monkeys in the Americas are transmitting the Zika virus to humans via mosquitoes

Malaria parasites have evolved to be most infectious at the time of day when mosquitoes feed, to maximize the chance of being spread