Seoul is warning residents not to let their guard down against mosquitoes as temperatures ease, saying the insects could remain active into the fall and continue posing a risk of mosquito-borne diseases. The Seoul Metropolitan Government said Tuesday that it will intensify mosquito surveillance and prevention efforts through late autumn as outdoor activity increases and cooler temperatures could revive mosquito populations after the summer heat. The warning comes after the Korea Disease Control and Prevention Agency detected genetic material from the malaria parasite in mosquitoes collected in Paju and Yeoncheon, Gyeonggi Province, during the week of July 27 to Aug. 2. The agency issued a nationwide malaria alert Aug. 13, while noting that mosquito numbers remained lower than last year amid the heat wave. As of Aug. 1, Korea had recorded 201 malaria cases this year, down 43.4 percent from 355 cases during the same period last year, the agency said. But cooler weather does not necessarily end the risk, with last year’s Seoul cases showing that transmission continued into the fall. Of 70 m