product, grade, form, degree of ripeness, size, thickness, count, product size, brand, quantity, quality -anaerobic; rare and more deadly; usually resistant to heat
-spoils low acid foods, improperly canned foods, vacuum,-packed and tightly wrapped foods, smoked and sales foods, cooked root vegetables held at warm tematures
-honey is source, dont give to infants
-4-36hrs; weakness, double vision, fatigue, diarrhea, paralysis, may be fatal -grows between 34-113 degress F
--hot dogs, lunch meat, cold cuts, coleslaw, raw milk, soft cheese
-pregnant women are at high risk, leads to spontaneous delivery
-may harm fetus. can cause flu like symptoms, encephalitis, meningitis, headache, fever