For most cases of food poisoning, symptoms tend to come on within one to three days of eating the contaminated food. However, for some types of food poisoning, this 'incubation period' can be as long as 90 days.1  The main symptom is diarrhoea, often with being sick (vomiting) as well.or most cases of food poisoning, symptoms tend to come on within one to three days of eating the contaminated food. However, for some types of food poisoning, this 'incubation period' can be as long as 90 days. 1  The main symptom is diarrhoea, often with being sick (vomiting) as well.
Portsmouth, Virginia. Tweet. Introduction to Portsmouth, Virginia. Portsmouth is a city in southeastern Virginia situated on the Elizabeth River. The city is located less than three miles from the city of Norfolk.In fact the Norfolk Naval Shipyard, one of the Navy's premiere shipbuilding facilities, is actually located in Portsmouth.ntil 1963 Portsmouth had served as the county seat of Norfolk County but in that year the County consolidated with the City of South Norfolk to form the new City of Chesapeake.
People in group quarters in Portsmouth city, Virginia in 2000: 2,292 people in military ships; 1,237 people in local jails and other confinement facilities (including police lockups) 415 people in other noninstitutional group quarters; 356 people in nursing homes; 198 people in military barracks, etc.