- 101 cases of dengue fever were reported in Calasiao, Pangasinan from January to December 2010, a 32 case increase from the previous report and 174% higher than the previous year. There were 2 deaths. - The highest increases were seen in Barangays Nagsaing, Talibaew and Buenlag. 18 of the municipality's 24 barangays were affected. - In response, the municipal health office is conducting education campaigns, distributing health advisories, cleaning drives, and misting operations in affected barangays to prevent further spread of dengue.