[Ola]

Koh was the only witness for her own defence. She said she had done what she could to prevent mosquito breeding according to NEA's Dengue Home Guidelines, and that if NEA failed to inform the public that mosquitoes could breed in toilet bowls, the public would not know.

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Even one old neighbour around 70 years old

go Malaysia holiday also know must seal her toilet bowl

Impossible that Koh does not know