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Cambodian Children’s Deaths Linked to Hand, Foot and Mouth Disease

By ALEXANDRA SIFFERLIN

sudo takeshi / Getty Images

The mysterious illness that has killed dozens of Cambodian children may be a deadly strain of hand, foot and mouth disease, a common childhood illness. Lab tests have confirmed that a virulent strain of the disease called EV-71 was responsible for some of the 59 cases of illness reviewed in Cambodia since April, including 52 deaths,according to the World Health Organization (WHO) and Cambodian Health Ministry.

The numbers of cases and deaths have been scaled down since an initial report put the caseload at 62. Epidemiologists are now interviewing parents and still trying to determine a cause for all the cases; in many, relevant medical information may have been omitted and not all the children were tested before they died. “As far as I’m aware, EV-71 was not identified as a virus in Cambodia before,” Dr. Nima Asgari, who is leading the WHO investigation, told the Associated Press.

The Institut Pasteur in Cambodia tested samples taken from 24 patients and found that 15 came back positive for EV-71.

(MORE: Drug-Resistant Bacteria Found in 4-Million-Year-Old Cave)

EV-71 has been reported in other regions of Asia, including Vietnam and China. This strain of the disease can cause paralysis, brain swelling and death. In Cambodia, most affected children were under age 3, and many experienced severe respiratory symptoms that escalated quickly; some also developed neurological symptoms.

The Institut Pasteur in Cambodia tested samples taken from 24 patients and found that 15 came back positive for EV-71.

(MORE: Drug-Resistant Bacteria Found in 4-Million-Year-Old Cave)

EV-71 has been reported in other regions of Asia, including Vietnam and China. This strain of the disease can cause paralysis, brain swelling and death. In Cambodia, most affected children were under age 3, and many experienced severe respiratory symptoms that escalated quickly; some also developed neurological symptoms.

(MORE: Study: Preschoolers’ Sack Lunches Reach Unsafe Temperatures)

The disease, which is caused by enteroviruses — the same family as polio — is moderately contagious and is spread through sneezing, coughing and contact with blisters or infected fecal material. Although no vaccine or specific treatment exists, the disease is typically mild and most children recover in 7 to 10 days without medical treatment, according to the Centers for Disease Control and Prevention (CDC).

The CDC notes also that children with hand, foot and mouth disease are most contagious during the first week of illness, but can continue to spread the disease long after symptoms have disappeared because the viruses that cause it can remain in the feces for weeks. Also, infected people who show no symptoms of the disease can still spread the viruses to others.

Hand, foot and mouth disease should not be confused with foot-and-mouth disease which affects cattle, sheep and swine.

Although the U.S. is not experiencing a similar outbreak, hand, foot and mouth disease can be contracted by anyone. Between November 2011 and February 2012, the CDC received reports of 63 people with symptoms of hand, foot, and mouth disease in Alabama, California, Connecticut and Nevada.

To prevent the disease, the CDC recommends:

  • Washing your hands often, especially after changing diapers
  • Thoroughly cleaning objects and surfaces (toys, doorknobs, etc.) that may be contaminated with a virus that causes the disease
  • Avoiding close contact (like kissing and hugging) with people who are infected

Read more: 

MORE: Bad Food: Illnesses from Imported Food are on the Rise, CDC Says

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