A new dengue vaccine shows promise — at least for now

Further study is needed to ensure people aren’t left vulnerable to future infections

Dengue ward at a hospital in the Philippines

Sick patients fill a dengue ward in a hospital in Laguna province, the Philippines, in August 2019. The country is experiencing a dengue epidemic, with close to 350,000 cases, including around 1,300 deaths, as of early October.

Xinhua/Alamy Stock Photo

The latest dengue vaccine reduced the occurrence of the disease by about 80 percent in children vaccinated compared with unvaccinated children, researchers report.