(PNA GenSan file photo) GENERAL SANTOS CITY -The city government has sustained its intensified border surveillance against the coronavirus disease 2019 (Covid-19) even as the confirmed infections here have continued to decrease in the past several weeks. Dr. Rochelle Oco, head of the City Health Office (CHO), said on Thursday the border monitoring measures and activities in the city are still in place as the threats posed by the spread of Covid-19, especially its highly infectious variants, still persist. CHO only recorded 15 new infections in the city on Wednesday, one of the lowest in over five months, with the active cases further dropping to 356 after reaching over 1,000 during the surge in August and September. The confirmed cases in the city since last year have reached a total of 13,764, with 506 related deaths and 12,902 recoveries. The city is among the areas identified by the Department of Health-Region 12 (Soccsksargen) that are already considered as low-risk to Covid-19 bas