Manila, March 24 -- Placing an open bounty-dead or alive-on a killer roaming Metro Manila?

This is exactly what officials of Barangay Addition Hills in Mandaluyong City did to combat the rising dengue cases in their area: offering a bounty of one peso for every five mosquitoes or mosquito larvae-dead or alive. This initiative has even been featured in various media outlets, including international news organizations like The Guardian and Associated Press.

Not to be outdone, officials of Barangay Matandang Balara in Quezon City released frogs into creeks and drainages to control mosquito populations-a strategy they've used before with some success.

Many people must have found humor in the barangay (village) officials' unconventional app...