Singapore breeds mosquito 'studs' by the millions for war on dengue

A National Environment Agency staffer releases Wolbachia-infected male mosquitoes at a public housing estate in northeast Singapore on May 25. (Photo by Ore Huiying)Big in AsiaSometimes-deadly virus edged aside as health officials infect bugs with bacteria strainSIDDHARTH PODDARAugust 22, 2026 06:00 JSTSINGAPORE -- At first glance, the black cylinder being carried through the public housing block in northeastern Singapore one recent morning looked like the kind of thermos a city resident might use for drinking water or tea.Read NextLatest on Big in Asia