Listeriosis is a type of food poisoning caused by the bacteria Listeria monocytogenes. The CDC has confirmed that there has recently been an outbreak of this illness due to contaminated cantaloupes from Jensen Farms in Granada, Colorado. Check here for updates regarding the outbreak. There are 55 people infected from 14 different states, 8 from Oklahoma. If you have one of these cantaloupes, throw it out, even if you have eaten part of it without illness. If you do become sick, see your doctor and let him know it could be listeriosis.
This bacteria is commonly found in soil and water; and often infects animals without any symptoms. It is usually not a severe illness for healthy adults and children, however, it can be deadly for infants, babies still in the womb, elderly people, and people with weak immune systems. It can be diagnosed with a lab culture (growing bacteria) of amniotic fluid, blood, feces, or urine.
Listeriosis contaminates food that has come into contact with water, dirt, or animals that are infected with the bacteria. It can survive for years and grows well at room temperature, but can even grow in the refrigerator. The bacteria is killed by heat. To prevent listeriosis be sure to wash all fruits and vegetables well, buy pasteurized products when possible, and thoroughly cook your foods. Lunch meats should be heated to steaming before being eaten by pregnant women or those with weak immune systems.
Listeriosis first causes general digestive problems and diarrhea. The bacteria will often spread beyond the stomach eventually causing symptoms such as fever and muscle aches, headache, stiff neck, confusion, loss of balance, or convulsions. It is treated with antibiotics and with early treatment is easy to overcome.
Overall, you should not be fearful of listeriosis- only aware. It is easily prevented with basic food safety practices and not a severe illness for the general population.
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