More than 200 water samples taken from the Butuanon River in Mandaue City tested negative for the poliovirus. After initial reports that the Butuanon River was contaminated with the poliovirus, the Metropolitan Cebu Water District (MCWD) has been conducting water sampling every day. On Feb. 15, the Department of Health (DOH)-Research Institute for Tropical Medicine (RITM) confirmed that the poliovirus was present in water samples obtained from the Butuanon River.

Water from Butuanon River tests negative for poliovirus. (2020, April 14). SunStar Cebu, p. 3.