Cruise lines urged to fight viruses by cleaning more

Voluntary measures call for use of stronger cleansers, better hand-washing

Posted: Friday, August 16, 2002

ANCHORAGE - State and federal epidemiologists are urging cruise-ship companies to aggressively sanitize and disinfect their vessels to prevent viruses from spreading among passengers.

After a series of viral outbreaks sickened hundreds of cruise passengers this summer, the Alaska Department of Environmental Conservation, the Alaska Division of Public Health and the federal Centers for Disease Control and Prevention have issued new guidelines.

The voluntary measures announced Thursday call for the use of stronger chlorine-based cleansers, easy access to motion-sickness bags, super-hot laundry temperatures, and meticulous hand-washing, among other steps.

The viruses are typically spread through fecal matter or vomit, the epidemiologists said.

In June, more than 250 people aboard the Ocean Princess came down with flu-like symptoms, including nausea, vomiting and diarrhea.

The bug was identified as a Norwalk-like virus, a hardy strain that can withstand freezing temperatures and temperatures up to 145 degrees Fahrenheit, said Sue Anne Jenkerson, nurse epidemiologist with the state public health division.

"It's very hard to eliminate," said Jenkerson.

More than 170 passengers and crew members aboard the Ryndam, a Holland America ship, fell ill with a Norwalk-like virus in late July, the company said. Less than a week later, a recurrence of the virus sickened more than 230 passengers and crew members. Holland America canceled the next voyage so the company could disinfect the ship thoroughly.

On the Wilderness Discoverer, a small cruise ship owned by Glacier Bay Cruiseline, some 18 passengers and crew members suffered flu-like symptoms that mirrored those produced by Norwalk viruses.

This summer's illnesses aren't unusual, said Dr. Beth Funk, a state epidemiologist. Cruise ships plying Alaska waters report clusters of illness among passengers virtually every year, she said. If more than 3 percent of people on board get sick, the ships must report the outbreak to the Centers for Disease Control and Prevention.

After this summer's first outbreak aboard the Ocean Princess, health officials sent cruise lines recommendations for how to keep viruses at bay. But Thursday, they released strengthened guidelines that apply to cruise-ship, tour-bus and railway operators.

Erik Elvejord, a spokesman for Holland America, said he hadn't seen the new recommendations. But after the recent outbreaks, the cruise line stepped up its protocol for keeping passengers and crew healthy.

National health experts advise caution for the elderly and people with chronic medical conditions considering a cruise, because they may be more susceptible to infection. The CDC recommended in 1998 that anyone over age 65 or those with existing illnesses check with their doctor before embarking on a cruise.

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