The symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later.The main symptoms include: 1  feeling sick (nausea). 2  vomiting. 3  diarrhoea, which may contain blood or mucus.he symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later. The main symptoms include: 1  feeling sick (nausea). 2  vomiting.
Homefacts City Report. Portville is located in Cattaraugus County, NY. The population is NR. There are 2 public schools in Portville with an average Homefacts rating of B-. The total crime rate for Portville is very low, and there are 5 registered sex offenders residing in the city. Unemployment in Portville is very high and the median home sales price is $0.
North County Office in Coulterville Some services are available at the North County Satellite Office and local residents are are encouraged to stop by, instead of having to go into Mariposa for similar services.