Trichinosis - It's Not Just an Issue in Pork

This once common disease from eating undercookedacute food poisoning when there is activity of the
pork has become something of a rarity in this countryadults in the intestine.
at around a dozen cases annually. However, the fewSudden appearance of fever, muscle soreness and
cases that do exist are typically associated withpain with swelling of parts of the face is early classic
people that hunt and eat wild game.signs. This can sometimes be followed by retinal
Due to laws here that require and enforce the cookinghemorrhages and other ocular signs.
of garbage and offal before feeding to swine, betterWith heavy infections cardiac, respiratory and
pest control by keeping rats away from where pigsneurological problems may ensue with death by heart
are kept and an educated public who is aware of thefailure being most common. The more larvae you
risks of eating undercooked pork, Trichinella is a minoringest, the more serious the disease.
public health issue.Trichinosis can be diagnosed by serological
There are still small outbreaks from time to time here(antigen-antibody) tests. Finding encysted larvae in a
and abroad with the consumption of dog, bear, wildbiopsy of skeletal muscle is conclusive (see above).
boar and cougar, just to name a few.It can be treated with the anti-parasitic drugs
Other animals that are considered hosts to thismebendazole or albendazole. Steroids may be
parasite include: cats, rats, horses, foxes, wolves, polarrequired in cases with severe symptoms to reduce
bears, marine mammals of the Arctic and lions andinflammation to protect the heart.
leopards in the tropics.What preventive measures are available?o Cook all
Trichinosis is a parasitic disease caused by thefresh pork, pork products and meat from wild animals
roundworm Trichinella spiralis. If someone ingeststo where all the meats reaches 160° F. The meat
undercooked or raw meat with the encysted larvae,should turn from pink to gray.o Freezing pork at
the stomach acid releases the larvae which mature to-13° F for at least 10 days will kill the cysts. The
adults in the intestine.exception to this rule is strains of Trichinella found in
After about a week the female starts releasing larvaewalrus and bear meat which are cold-resistant and
which enter the bloodstream and find their way tomust be cooked as noted above.o Smoking, salting or
skeletal muscle where they encapsulate.drying meat is not effective.
There can be gastrointestinal symptoms mimicking