City health personnel in a huddle with community members while discussing dengue and ways to prevent it from spreading in this March 2013 file photo.
Program Against Dengue action officer Dr. Edgardo Aruelo prepares "larvitraps" in a community forum, in this May 2012 file photo. The larvitraps planted in 15,900 houses all over the city is designed to lure mosquitos and lay their eggs in the isolated water-filled can.
A barangay health personnel harvests water from a larvitrap in Tugatog where mosquitos were led to lay their eggs. This system makes it easy to control breeding of mosquitos
An MMDA personnel spray anti-mosquito mist and a backhoe clears a section of the Lingunan river in Valenzuela, April 2014 file photo. The city government moreover carry out a menu of anti-dengue initiatives all year long.
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A housewife listens to a briefing from city and barangay health personnel during an Oplan Sita where inner communities are inspected for possible breeding spots of dengue-carrying mosquitos, in this file Oct. 2010 file photo.