Mi - Zoonoses Flashcards
define zoonoses
diseases that pass between people and animals
what % of emerging infections are from animals
70%
give 3 ways zoonoses can be spread from animals to humans
pets - scratches, bites
pee /poo
foodstuff - carcas processing, milking, raw meat
diarrhoea, bloating, cramps, flatus after eating raw chicken. dx?
campylobacter
Ix for campylobacter
stool culture
mx for campylobacter
supportive
diarrhoea, fever, vomitting after eating raw chicken or touching a pet snake then not washing hands. dx?
salmonella
Ix and Mx for salmonella
stool culture
supportive
how many types of salmonella are there and how many are zoonoses
200
198
which 2 salmonella viruses are human
typhi and paratyphi
tx for typhi
ciprofloxacin
pustular macules at a cat scratch. regional adenopathy. Dx?
bartonella henselae
Ix for bartonella
bite swab / serology
mx for bartonella
erythromycin
doxacyclin
rifampacin
sx of bartonella in immunocompromised
disseminated papules
organ invovlement
name 3 types of shigella
soniae
flexneri
dysenteriae
is shigella a zoonoses
NO
severe diarrhoea, fever, ABx resistance, in gay men. Dx?
shigella flexneri
watery poo in nursery school children. dx?
shigella soniae
who gets shigella dysenteriae?
developing countries with poor latrines
fever, adenopathy, seizures, sensory loss. from eating infected sheep meat or foecal contamination. dx?
toxoplasmosis
when is toxoplasmosis a problem and why?
pregnancy - causes still birth if you get infected for the first time
how prevalent is toxoplasmosis
1/3 of england are +’ve
Ix and Mx of toxoplasmosis
serology
spiramycin (ABx)
fever, back pain, orchitis, focal absecess in liver/psoas. from unpasteurised milk or uncooked meat. Dx?
brucellosis
Ix and Mx for brucellosis
blood / pus culture, serology
doxycycline and gentamicin / rifampacin
fever, atypical pneumonia, hepatitis, endocarditis. from aerosolised goat faeces / milk from infected cattle. Dx?
coxiella burnetii - Q fever
Ix and Mx of Q fever
serology
doxacycline
hydroxychloroquine
seizures, excess salivation, agitation, confusion, fever, headaches. from infected dog / bat bites. Dx?
rabies
Ix of rabies
clinica, serology
what happens if you get rabies but have no vaccination
death
fever, arthralgia, maculopapular rash, endocarditis. from rat bite / contact with infected urine or poo. Dx?
rat bite fever
what bacteria causes rat bite fever
streptobacillius moniliformis
spirillum minus
Ix and Mx for rat bite fever
joint fluid MC&S, blood cultures
penicillins
fever, bleeding, myalgia after contact with fluid from infected person. dx?
viral haemorrhagic fever
what causes viral haemorrhagic fever
lassa
ebola
marburg
congo-crimean haemorrhagic fever
Ix and Mx
DO NOT TOUCH
serology, pcr
supportive Mx, 50% die