| Date |
Event |
| 1 October |
  The new air-conditioned Mong Kok Cooked Food Market opens. |
| 24 October |
An antioxidant, calcium disodium ethylene diamine tetraacetate, is included in the First Schedule of the Preservatives in Food Regulations. |
| 24 October to 10 December |
  To sustain the momentum of the third phase of the Anti-mosquito Campaign, the Department launches a Hong Kong-wide operation focusing on improving mosquito control measures around village houses, passenger, cargo and container terminals, old tenement buildings and other problem spots. |
| 24 to 25 October |
A Veterinary Public Health Workshop is held with scientists and government officials from the Mainland, Canada and Hong Kong invited as speakers.
  
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