Signs and Symptoms. Salmonella bacteria from raw and undercooked chicken leads to a condition called salmonellosis. If infected, you'll probably experience symptoms within 6 to 72 hours after consuming the contaminated food, explains the Better Health Channel.Symptoms are typically related to your gastrointestinal tract.hen chicken is raw or undercooked, any surfaces it touches will become contaminated with Salmonella. For example, if you prepare chicken at home and then use the same cutting board to prep vegetables without thoroughly sanitizing it first, the vegetables will also become contaminated with the bacteria.