An article published in the journal Emerging Infectious Diseases shows that Mayaro and chikungunya viruses are circulating at the same time (co-circulating) in Roraima, Brazil's northernmost state and ...

MAYARO, Trinidad — A mud volcano growing under the sea off Trinidad is filling people who live nearby with foreboding and may soon emerge as the world's newest island. Since it was discovered in May ...

Just when you learned to fear Zika, a new foreign-sounding virus could be winging its way towards the Florida coast. Health officials in the Dominican Republic went on alert Monday for a ...