The highly infectious H5N1 strain has caused outbreaks across the country. Now, Long Island’s last duck farm must kill its entire flock and may go out of business, its owner said.

This report describes a novel tickborne orthonairovirus species identified in patients presenting with an acute febrile illness in China.

Pakistan has 3 new wild poliovirus type 1 infections, while the DR Congo and South Sudan report more vaccine-derived cases.

During the 2015–2016 outbreak, Zika virus infection was linked to birth defects. Here, the authors show that epidemic strains cause less severe disease in mouse embryos than pre-epidemic strains and c...

CDC has sequenced the influenza viruses in specimens collected from the patient in Louisiana who was

Belgium reported the case on December 18 in an adult traveler returning from an African country where the clade 1b virus circulates.

A mysterious illness outbreak that has sickened at least 416 people and killed 31 in a remote region of the Democratic Republic of Congo may be at least partly caused by malaria, health officials said...

The Democratic Republic of Congo (DRC) expects to diagnose ‘Disease X’, which has killed at least 79 people in the Panzi district of Kwango Province by the

An unknown disease killed 143 people in Democratic Republic of the Congo's southwestern province in November, local authorities told Reuters.