Confidence votes 22.7K. This all depends on how fast your body processes the food, generally the average is around, about 8 hours maybe a couple less. It can take anywhere from 6 hours to 48 hours after being exposed to contaminated food.More information There are many causes of foodborne illness.Ingested toxins can hit very quickly within a couple hours. Ingested microbes can take a while to build up the effect-which can mean days or even weeks.See Related Links.onfidence votes 22.7K. This all depends on how fast your body processes the food, generally the average is around, about 8 hours maybe a couple less. It can take anywhere from 6 hours to 48 hours after being exposed to contaminated food.
Homefacts City Report. Portsmouth is located in Portsmouth City County, VA. The population is , making Portsmouth the largest city in Portsmouth City County and the 10th largest city in the state of Virginia. There are 26 public schools in Portsmouth with an average Homefacts rating of C. The total crime rate for Portsmouth is , and there are 301 registered sex offenders residing in the city.
It is part of the Hampton Roads metropolitan area. The Norfolk Naval Shipyard, often called the Norfolk Navy Yard, is a historic and active U.S. Navy facility that is actually located in Portsmouth rather than Norfolk; the original name Gosport was changed to Norfolk to reflect its location in Norfolk County, VA.irectly opposite Norfolk, the city of Portsmouth also has miles of waterfront land on the Elizabeth River as part of the harbor of Hampton Roads. There is a ferry boat that takes riders back and forth across the water between Downtown Norfolk and Olde Towne Portsmouth.