CDC, JAMES GATHANYAn experimental vaccine for chikungunya virus elicited a strong protective response in an early-stage clinical trial, according to a study published in The Lancet.
The vector-borne viral infection causes fever and severe joint pain; no vaccines or antivirals targeting the chikungunya virus are currently available. According to The New York Times, more than 150,000 people have now been affected by the disease in 19 Caribbean and South American countries. The US Centers for Disease Control and Prevention reported the first locally acquired infection in Florida last month.
The new study reports the results of a National Institutes of Health-funded Phase 1 clinical trial led by National Institute of Allergy and Infectious Diseases scientist Julie Ledgerwood. The researchers tested different doses of the vaccine for safety and effectiveness in 25 healthy volunteers, who received three shots over a 44 week period. The vaccine, which uses certain structural proteins from the ...