Researchers Give Five People Dengue to See What the Virus Does

Researchers in Singapore deliberately infected five healthy people with dengue in order to better study a virus that’s placing a growing burden on public health.

Earlier this year, five adult volunteers aged from 21 to 45 were inoculated with a weakened dengue virus, and then stayed in the hospital for at least 10 days while researchers observed how their infections developed, the National Centre for Infectious Diseases said Friday.

The participants underwent regular safety assessment, but didn’t receive any particular treatment targeting the virus.

All five volunteers have been discharged. Researchers will conduct follow-up assessments for three years with the ...