Microbial Foodborne Infections and Intoxications Flashcards
what is gastroenteritis
inflammation of the digestive tract, causing nausea, vomiting, abdominal pain, diarrhoea, eventually fever
difference between infection and intoxication
infection - viable organisms
intoxication - just toxin
viral causes of gastroenteritis
norovirus
rotavirus
adenovirus
what type of disease does campylobacter and salmonella cause
bacterial infection
what are the symptoms for serious food poisoning
invasive diarrhoea
>3 days
5 or more stools a day
>38 degrees
bloody diarrhoea
bad general condition
watery diarrhoea
abdominal cramping
bloating
gas
these point to a disease in what part of the GI tract
small intestine
watery or blood/mucoid diarrhoea
low abdominal pain
high fever
these point to a disease in what part of the GI tract
large intestine
watery diarrhoea with no fever is likely to be cause by
cholera
blood diarrhoea with no fever is likely to be caused by
parasite casuses
watery diarrhoea and a fever could be caused by
norovirus
rotavirus
ETEC
bacillus cereus
staphlyococcus aureus
blood diarrhoea and a fever could be caused by
shigella
campylobacter
salmonella
EIEC/EHEC
what is infective dose
the number of pathogens need to cause disease in the new host
do bacteria have a relative high or low infective dose
high
what is the most common cause of diarrhoea in the developed world
campylobacter
what syndrome can be caused by campylobacter
guillain-barre
