Zoonosis Flashcards
zoonotic diseases of cattle
brucellosis
tuberculosis
variant creutzfeldt jacob
cryptosporidiosis
leptospirosis
anthrax
rabies
pseudocowpox
ringworm
brucellosis causes __ and __ in ruminants and humans get it most commonly from ___ products resulting in __ and ___
abortion, lower conception rates, unpasteurized/raw, abortion, undulant fever
Tuberculosis is caused by __ that can be inhaled or ingested causing __, __ and __ in cattle. In humans its spread by respiratory droplets or ___ products causing ___, __, and __ or is __.
M. Bovis, diarrhea, lymohadenopathy, intermittent fever, emaciation
raw milk/meat products, non-healing ulcers, cough/pain, and meningitis
CJD in humans can have an incubation period of __ years and signs of __ changes, persistent __ , dementia and neuro signs
10, behavioral, pain
what are the control effects for CJD and what is the risk in the US?
- prohibition of the slaughter of down cows
- inhibit feeding mammalian meat/bone meal in livestock animal feed
- prohibiting specified risk materials in any product
cryptosporidiosis in humans causes moderate/severs __, low grade __ and __ cramps with very ___ tx options and gets worse for the immunocompromised
watery diarrhea, fever, stomach, limited
Cryptosporidiosis has millions of __ expelled daily by infected persons/calf and it only takes __ to infect humans so you wear a __
oocysts, 10-130, mask
leptospirosis in humans is __ with the 1st phase showing __ symptoms and the 2nd causing __, __ and __ . The dz is mostly self limiting but should be tx with __ to prevent severe disease
biphasic, flu-like, meningitis, kidney failure, liver damage, antibiotics
Anthrax is __ in the US but most commonly presents as the __ form and needs __ treatment
RARE, cutaneous, quick
rabies is a __ transmitted by __ with no treatment available once symptoms start
lyssavirus (enveloped ssRNA), saliva
pseudocowpox looks like __ disease in cattle and is known as ___ in humans where they gain __ but there is no __ or ___
foot and mouth, milkers nodules, immunity, vax, tx
dermatophytosis is __ and can be treated with __ and __ or prevented by __ and increased __
ringworm, antifungal sprays and creams, gloves, hygeine
Zoonotic diseases of small ruminants
Q fever
chlamydiosis
Orf
Toxoplasma gondii
Brucella melitensis
Mcobacterium caprae
Q fever is caused by __ which is resistant to __ , __, __ and __ causing abortions, __ and __ in small ruminants
high temps, uv light, disinfectants, osmotic pressure, weak offspring and stillbirths
what does q fever look like in humans?
flu like symptoms
GIT symptoms
pneumonis
most ppl get it from raw milk, meat, etc and need intracellular long duration antibiotics
chlamydiosis in sheep is caused by __ and causes __ and __ in both animals and humans with __ being the best preventative measure
chlamydia abortus, abortion and fetal death, PPE
ORF is a __ spread by direct or indirect contact that in sheep causes lesions on the nostrils, __, __, __, __and inside mouths while humans usually have lesions on their __. The best way to prevent it is to __ and there is a __ available
parapoxvirus, around the eyes, coronary band, vulva, udder, hands, wear gloves, vaccine
T/F: small ruminants with T gondii look very sick
F- they just abort or have mummies
brucella melitensis is __ pathogenic in humans
highly
Zoonotic swine diseases
Swine Flu
streptococcus
erysipeloid
yersinia enterocolitica
nipah virus
hepatitis E virus
MRSA
pseudorabies
Swine flu is an ___ that causes __, __ and other flu like symptoms in humans and swine
orthomyoviridae, fever, lethargy
what is the difference between antigenic drift and shift?
drift:
random mutations
slight change in antigen
slowly
epidemics
shift:
reassortment of genome
new surface antigens
quickly
epidemics and pandemics
Streptococcus is the __ infectious disease in swine industry. It causes __ , __ and __ in swine while it cause __, __, __ and __ in humans with __ consumption asa the most common risk factors
leading, meningitis, septicemia, arthritis
meningitis, sepsis, toxic shock, uveitis
erysipeloid is __ important to the pig industry and causes __ on hands in humans
economically, mild cutaneous red swelling
what antibiotics can treat erysipeloid?
penicillin and cephalosporins
yersinia enterocolitica causes little to no disease in _ but causes fever, abd pain, bloody diarrhea and sepsis in __
swine, humans
__ are the primary reservoir of nipah virus which causes __ causing death with a __ mortality rate in humans
fruit bats, encephalitis, 40%
what are 2 emerging swine zoonoses?
hepatitis E virus
MRSA
pseudorabies is present in __ swine and prevented by good __
feral, biosecurity
HPAI is spread by __ and ___ with a __ mortality rate in birds and mild __ signs in humans with 50% mortality
feces, respiratory secretions, high, UR
Virulent new castle disease in birds can be velogenic with __ mortality or mesogenic with __ mortality and poor egg quality/quantity
90%, 10%
chlamydia psittaci exists as an __ between cells and causes __ signs in birds and __ signs in humans
elementary, GI, respiratory
tx with antibiotics
shiga toxin producing e-coli are naturally in cattle but a a major cause of ___ in humans
foodborne illness
Listeriosis gram + short rods multiply at ___ F and cause __ with unilateral lesions in cattle and mild __ illness in humans
24, encephalitis, intestinal
Campylobacter fetus fetus causes __ in sheep and cattle and __ or __ in humans that is often self limiting
sporadic late term abortion, gastroenteritis, rarely sepsis
campylobacter jejuni jejuni naturally colonizes in the __ of poultry, cattle and sheep and is one of the __ causes of human gastroenteritis in the world
intestines, most common
