b'Foodborne IllnessBiological contaminationBiological hazards also known as germs are everywhere around us. While some bacteria are beneficial, others arent. Thats why biological hazards are the most common cause of foodborne illness. These invisible organisms come in three types: parasites, bacteria, and viruses.ParasitesParasites are tiny worms that live in certain types of food. Its usually meat, but parasites can also be found in water. You can kill parasites by freezing, or by cooking food to the correct temperatures.How to avoid parasites:Cook all meat to the proper temperatures.If youre preparing a raw dish like sushi, make sure you use fish that has been treated to kill parasites.Make sure the water you use is from an approved source.20'