1, Escherichia coli.
Uncooked beef, juice, raw milk and polluted drinking water may contain Escherichia coli. Infection with this bacterium can lead to severe diarrhea, abdominal pain and vomiting for 5- 10 days.
Prevention: Meat must be thoroughly cooked, fruits and vegetables must be cleaned before eating or cooking, and avoid drinking milk without high temperature disinfection.
2. Vibrio parahaemolyticus.
Vibrio parahaemolyticus usually exists in raw seafood. Eating raw seafood or undercooked shellfish will cause diarrhea, stomach cramps, nausea, vomiting, fever, chills and other symptoms in about 24 hours, and the general illness will last for 3 days.
Prevention: Don't eat seafood raw, and you can safely eat it after it is thoroughly cooked.
3. Listeria.
Listeria is common in soil and water, and also exists in raw food and unsterilized milk. Different from other germs, Listeria can still grow at low temperature in general refrigerators. Symptoms of infection include fever, chills, headache, stomach upset and vomiting.
Prevention: The remaining stains in the refrigerator should be cleaned in time, especially the blood and stains produced by raw meat, hot dogs and lunch meat. Don't keep the unopened lunch meat in the refrigerator for more than two weeks, and the meat bought by the deli should not be kept in the refrigerator for more than five days.
4.salmonella.
Salmonella is common in raw poultry, eggs, beef, unwashed fruits and vegetables. Infection with Salmonella can cause fever, diarrhea, stomach cramps and other symptoms for 4-7 days.
Precautions: Don't eat raw or undercooked eggs. Raw meat should be stored separately from vegetables and cooked meat.
5. Campylobacter jejuni.
Campylobacter jejuni is often found in chicken and beef. Once infected, most people will have diarrhea, spasm and fever within 2-5 days, and may be accompanied by nausea and vomiting. The illness lasted about a week.
Prevention: In addition to thoroughly heating the meat, be sure to wash your hands after handling raw and cold chicken or beef, and clean the countertops and kitchen utensils in time.
6.toxoplasma gondii.
Contaminated water and undercooked meat may contain Toxoplasma gondii. Toxoplasma gondii infection usually has no symptoms, but some people will have flu symptoms such as headache, body aches and fever. When the worm is serious, it will also cause damage to the brain, eyes and other organs of pregnant women and people with low immune system.
Prevention: Be sure to wash your hands thoroughly when handling food and avoid drinking unclean water.
7. Norovirus.
Norovirus is common in contaminated food and drinking water, and can be cross-transmitted from person to person. Symptoms of infection include nausea, stomach cramps, vomiting, diarrhea, headache and fever, which usually last for several days.
Prevention: Wash your hands repeatedly with soap and thoroughly disinfect the kitchen countertops.