Food Poisoning – Onset of Symptoms

CAUSE NORMAL
INCUBATION
PERIOD
NORMAL
DURATION
MAIN CLINICAL
SYMPTOMS
COMMONLY
ASSOCIATED
FOODS
Campylobacter 3-5 days 2-7 days  Abdominal pain, diarrhoea
(sometimes bloody), headache,
fever
Poultry, cooked meats, milk
Growth range is 28-45º
Clostridium
botulinum
12-36 hours Extended Swallowing difficulties,
respiratory failure
Preserved foods, e.g. canned, bottled
Growth range is about 3º-50ºC. Optimum 20-
30C
Clostridium
perfringens
10-12 hours  24 hours Abdominal pain, diarrhoea Stews, roasts
Growth range is about 20º-50ºC . Optimum
37-45C
E.coli 0157 12 hours – 10
days
Possibly
extended
Abdominal pain, diarrhoea
(sometimes bloody). May lead to
kidney failure
Beef burgers, meat, dairy products
Grows between 7º-44.5ºC, and possibly as
low as 4ºC. Optimum for VTEC around 37ºC
Listeria
monocytogenes
3-21 + days Varies Fever, headaches, spontaneous
abortion, meningitis
Soft cheeses, pates, poultry meat
Growth can occur as low as 1º-3ºC and up to
42ºC
Norovirus 12-48 hours 2 days Projectile vomiting and
diarrhoea
Food can be contaminated by infected
humans
Salmonella 12-36 hours  2-20 days Abdominal pain, diarrhoea,
fever, nausea
Meat, poultry, eggs, dairy products
Grows between 6º-45ºC
Staphylococcus
aureus
2-6 hours 12-24 hours Vomiting, abdominal pain,
diarrhoea
Cooked meat, humans
Growth is usually between 7º-48ºC. Toxin
produced at 10º-46ºC