Dengue, leptospirosis cases decline in latest DOH report

MANILA, Philippines—Dengue and leptospirosis cases nationwide declined in the latest reporting period, according to the Department of Health (DOH). 

Dengue cases

In the latest two-week reporting period, dengue cases stood at 22,095 from Sept. 17 to Sept. 30, two percent lower than the 22,479 cases recorded from Sept. 3 to Sept. 16.

The decline was also reflected in the year-to-date figures. 

The DOH recorded a total of 205,347 dengue cases as of Oct. 14, down 22 percent from the 261,749 cases reported during the same period in 2025.

It also reported a case fatality rate (CFR) of 0.38 percent.

Eleven provinces and highly urbanized cities (P/HUCs) across nine regions, however. remained flagged for localized increases in dengue cases.

In Metro Manila, the City of Manila recorded 4,048 dengue cases as of Oct. 19, based on data from the Epidemiology and Disease Surveillance System.

READ: Manila dengue cases top 4,000 after 31 new cases

Quezon City, meanwhile, recorded 6,302 cases as of Oct. 12, according to its Epidemiology and Surveillance Division.

READ: Dengue cases in QC top 5,000; weekly cases exceed alert threshold

Leptospirosis cases

Meanwhile, leptospirosis cases also dropped by 55 percent over a two-week period in September. The DOH recorded 1,159 cases from Sept. 17 to Sept. 30, down from 2,570 cases from Sept. 3 to Sept. 16.

Despite the decline, the department recorded a total of 13,530 leptospirosis cases as of Oct. 14. This was 47 percent higher than the 9,188 cases reported during the same period in 2025.

The number of provinces and highly urbanized cities (P/HUCs) flagged for leptospirosis also fell to six from 46 in previous weeks.

The disease’s case fatality rate (CFR) declined to 5.41 percent this year from 10.37 percent in 2025.

Prevention measures

The DOH is urging the public to take precautions against both diseases while coordinating with local government units in areas flagged for increased cases.

For dengue prevention, the DOH is promoting the Enhanced 4S Strategy, which includes eliminating mosquito breeding sites, protecting oneself from mosquito bites, seeking early consultation and supporting vector control activities.

Through its “Alas Kwatro Kontra Mosquito” campaign, the DOH is also urging the public to practice the 4Ts: Taob (turn over), Taktak (shake), Tuyo (dry) and Takip (cover) to eliminate mosquito breeding sites.

To prevent leptospirosis, the DOH advised the public to avoid floodwaters and seek early medical consultation after exposure. It is also prepositioning doxycycline supplies in flood-prone and other high-risk areas for post-exposure prevention and treatment when indicated. /gsg