Exotic Pets and Exotic Diseases

Each year literally hundreds of millions of legallyhas been covering a story where three people were
imported exotic pets flood into the United States andinfected with ringworm by two hoglets bought from
Europe. Many of these animals can be happilythe same breeder.This story is all the more disturbing
hopping, swimming or crawling in the wild in Southas the breeder in question somehow managed to
America, Asia or Africa one day, and find themselvescircumvent the UK's stringent quarantine laws and
in a cage in some child's bedroom in say, Ohio, lessimport several African Pygmy Hedgehogs directly into
than a week later. Very often many of these petsthe country from Germany. She claims that the
are not subject to quarantine or any form ofDepartment for Environment Food and Rural Affairs
screening and come straight from the bush into our(Defra) allowed her to "home quarantine" the
homes. Unfortunately many exotic pet owners arehedgehogs. It later transpired that the German
completely ignorant of the risks these animals maybreeder's herd was infected with ringworm. While at
pose to their health.the breeder's home this infection was spread from
Zoonotic Diseasesthe "German" hedgehogs to the "parents" of the two
A zoonotic disease is one that can jump from animalshoglets that later infected their new owners and a
to humans. The Centers for Disease Control andfamily member. It should be noted that Defra state
Prevention say that these types of diseases accountthat "home quarantine" would not be allowed under
for 75% of all emerging infectious threats. Here isany circumstances. (7)
just a small sample of the diseases your exotic pet- Another recent CDC study lists an alarming number
can pass on to you.of confirmed and potential zoonotic diseases that pet
- Cowpox - In a recent case in France four peopleand wild hedgehogs can carry. The confirmed
were infected by cowpox after being scratched bydiseases include Salmonella, Yersina,
pet rats that were all bought from the same petpseudotubercolosis, Mycobacterium marinum,
store. In three of the cases surgery was required toHerpesvirus including human herpes simplex and
treat the disease.(1)Rabies. The potential diseases include Yersina pestis
- Salmonella - The majority of Salmonella infections(also responsible for Bubonic plague) and hemorrhagic
originate from contaminated food. However it isfever. (8)
estimated that 5 % of infections are linked to pets.What can you do to reduce the risk of infection?
It is believed that around 90% of reptiles, especiallyMany researchers in the field of infectious diseases
iguanas and turtles, carry Salmonella. The CDCactively discourage ownership of any kind of exotic
estimates that 70,000 people in the USA are infectedpet. However, exotic pet ownership is a fact of life
with Salmonella by pet reptiles every year. Betweenand millions of them share our homes all over the
2003 and 2004 many people in ten states all overworld. The Centers for Disease Control and
the USA were infected with a drug-resistant form ofPrevention have several web pages that provide
the disease which was subsequently linked to petsome excellent advice about reducing the risk of
hamsters and other rodents. (2)infection and information about the diseases
- In 1994 African Pygmy Hedgehogs were linked to athemselves:
rare form of Salmonella (S. tilene), when a 10 monthIf you do decide to purchase an exotic pet buying it
old girl became the first human to be documentedfrom a reputable breeder rather than a pet store or
with this serotype in the USA. The girl's family kept apet distributor, should provide you with more
breeding herd of 80 hedgehogs and significantly sheguarantees about the animal's origins. While the risk
had not been in physical contact with them herself,of catching some terrible disease from your pet is
only with a family member who had handled them.relatively small, owners must be aware that it does
The same serotype was later diagnosed in 10exist. If you follow the advice given on the CDC web
hedgehog owners in Canada. (3)site that risk is greatly reduced.
- Psittacosis - According to the CDC there are aboutReferences:
50 confirmed cases of Psittacosis each year in the
USA, although they believe there may be many more1. Ninove L, Domart Y, Vervel C, Voinot C, Salez N,
cases that remain misdiagnosed or unreported. TheRaoult D, et al. Cowpox virus transmission from pet
disease is transmitted by pet birds such as parrots,rats to humans, France. Emerg Infect Dis. 2009 May;
parakeets, macaws, and cockatiels. Psittacosis can[Epub ahead of print]
cause severe pneumonia and there have been2. Morbidity and Mortality Weekly Report - Centers
several fatalities.(4)for Disease Control and Prevention - May 6, 2005 /
- In New England in 2005 three transplant patients54(17);429-433
died after receiving organs from a human donor who3. Journal of Clinical Microbiology Nov. 1997, p. 2786 -
had been infected with the lymphocytic2790 Human Salmonellosis Associated with Exotic
choriomeningitis virus by a pet hamster. (5)Pets; David L Woodward, Rasik Khakhira &
- Monkeypox - In 2003 there was an outbreak ofWendy M Johnson National Laboratory for Enteric
Monkeypox in Illinois, Indiana, and Wisconsin.Pathogens, Laboratory Centre for Disease Control
Monkeypox is related to Smallpox and its symptoms4. Centers for Disease Control and Prevention
include fever and the development of a papular rash.website.
In all cases the people with the disease had been in5. Margaret Ebrahim and John Solomon Associated
contact with pet prairie dogs that had all come fromPress Article - Nov. 27, 2006
the same source. (6)6. Morbidity and Mortality Weekly Report - Centers
- Ringworm - Despite its name ringworm or Tinea isfor Disease Control and PreventionJune 13, 2003 /
actually a fungal skin infection. One source of52(23);537-540
ringworm is known to be pet and wild hedgehogs.7.
Over the past few months the author's own blog