21.   The outbreak has been traced to ice factories in Penang that the government says used contaminated water.

22.   Health Secretary Carmencita Reodica said the cholera outbreak was traced to contaminated water supply after a flood last week affected several districts in the capital.

23.   Authorities have traced the outbreak of the bacterial poisoning to an award-winning Scottish family butcher shop specializing in cooked meat pies.

24.   Earlier, Health Secretary Carmencita Reodica traced the outbreak to a contaminated water supply after a flood last week affected several districts in Manila.

25.   The outbreak has been traced to contaminated stream water used for drinking, a health official said.