Trials of both an inactivated and a DNA vaccine showed good safety and immune response data.
In the past month the Pan American Health Organization (PAHO) has reported 1,106 new chikungunya infections, bringing the yearly total to 184,636 confirmed, suspected, and imported cases.
Japan-based Takeda announces the launch of a phase 1 trial of its Zika vaccine.
Experiments in guinea pigs to explore possible routes of Zika transmission found that infected animals can pass the virus to healthy cagemates, perhaps through tears or saliva, researchers from China reported today in Nature Communications.
The Saudi Arabian Ministry of Health (MOH) reported a new case of MERS-CoV over the weekend.
The study of people in Salvador, Brazil, shows infection rates exceeding 60% in many populations.
The study highlights ADE, when previous virus exposure enhances disease response.
In the past, the city has experienced outbreaks of dengue, Zika, and chikungunya that were spread by Aedes aegypti mosquitoes.
The proportion of Zika virus–carrying Aedes albopictus and Aedes aegypti mosquitoes capable of transmitting the virus increased dramatically after a second blood meal, according to data presented today at the 66th annual meeting of the American Society of Tropical Medicine and Hygiene (ASTMH).
The Florida Department of Health (Florida Health) on Nov 3 said a sexually transmitted Zika infection has been confirmed in Miami-Dade County, affecting a person whose partner had recently traveled to several countries, including Cuba, where active transmission is occurring.