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THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

http://www.boston.com/dailyglobe2/007/metro/Norwalk_stomach_virus_hits_area_hard+
.shtml

Norwalk stomach virus hits area hard

186 cases reported at one care center

By Stephen Smith, Globe Staff, 1/7/2003

Public-health authorities in Boston are tracking more than 700 cases of Norwalk virus,
an unusually extensive outbreak of the same condition that recently afflicted 
cruise-ship
passengers with roiling stomachs and aching heads.

In the past six weeks, the Boston Public Health Commission has investigated 17
separate outbreaks of Norwalk, with 186 people falling ill at one long-term care center
alone. Typically, the agency would expect fewer than five clusters in a comparable
period.

The experience in Boston mirrors a spike across the state - and in New York City - of 
an
illness whose onset is marked by diarrhea, vomiting, and nausea.

''We'd almost call it an epidemic level,'' said John Auerbach, executive director of 
the
Boston Public Health Commission. ''You can't miss it because it has such horrible
symptoms. It comes and goes in about 48 hours, but people who have it say it's the
worst 48 hours of their life.''

Norwalk - named for the small city southwest of Cleveland where the virus was first
identified more than three decades ago - rarely causes death or serious illness, 
despite
its unpleasantness. And while the clusters of cases identified so far have been 
restricted
chiefly to nursing homes, rehabilitation centers, and hospitals, disease trackers said
yesterday they believe the virus is also striking many members of the general public
across the state.

The 700 cases reported in Boston likely are only a narrow snapshot of the illness being
caused this winter by Norwalk. Most individual cases are never reported to health
authorities, who predicted yesterday that the virus will continue to circulate through 
the
winter.

''I think it's probably fair to extrapolate that there's more Norwalk disease 
occurring in the
community as a whole right now and not just in the nursing-home population,'' said Dr.
Bela Matyas, medical director of the epidemiology program at the Massachusetts
Department of Public Health.

While the agency does not keep a specific tally of cases, Matyas said his investigators
have noticed an increase in reports of the viral illness. Norwalk is spread person-to-
person, through a handshake or even a caring pat on the shoulder. The cascade of
infection most often begins when people don't wash their hands after using the toilet.

''This is a completely preventable disease,'' Matyas said. ''If you observe people's
behavior in public bathrooms, it's frightening how many people come out of a stall and
don't wash their hands.''

A hearty microbe, the virus has forced the closure of hospital wards and schools in
North America and the United Kingdom in recent months, and New York health
authorities are investigating whether patients hospitalized with stomach ailments are
cases of Norwalk.

Health authorities in Boston first became concerned in late November when a spate of
Norwalk cases was reported - the same time period when hundreds of people aboard
cruise ships came down with classic symptoms of the viral illness. Federal infectious-
disease specialists speculated at the time that the bouts of illness on cruise ships 
were
likely reflecting the march of the virus through North America, and the cases in
Massachusetts and elsewhere in the Northeast appear to confirm those suspicions.

Of the 17 outbreaks identified in Boston, three have been in hospitals, but those cases
were confined to health-care workers and did not require that wards be closed or other
drastic measures, said Dr. Anita Barry, director of communicable disease control at the
Boston Public Health Commission.

Public-health nurses were dispatched to the nursing homes and other chronic-care
facilities reporting outbreaks of illness, where they attempted to figure out how the
outbreaks began and how they could be stopped. At the chronic-care facility with the
186 cases - neither city nor state health authorities would disclose the name of any of
the facilities, citing patient confidentiality - residents and workers started falling 
ill in mid-
December, with the virus rampaging for seven days.

''One thing this speaks to is the ease of transmission of these Norwalk viruses,'' 
Barry
said. ''You don't need a lot of virus particles to get yourself sick.''

Sometimes, the virus is spread through food, when someone who's infected prepares a
meal, causing it to be tainted. But disease investigators have no evidence implicating
sullied food in the recent outbreaks.

For most people stricken with Norwalk, treatment is limited to downing ample fluids,
taking aspirin, and swallowing anti-nausea medications. People can be hospitalized if
they become dehydrated.

''Any diarrhea or vomiting or nausea illness could potentially get serious in a very 
frail or
elderly or seriously ill person,'' said Dr. Ron Walls, chairman of the department of
emergency medicine at Brigham and Women's Hospital. ''But for most people, it lasts a
couple of days and then it just goes away on its own.''

Explanations for the outbreak vary, with disease specialists suggesting that it may
indicate new strains of the virus in circulation as well as increased awareness of its
existence.

Paul Maxwell and his girlfriend became all too aware of Norwalk on New Year's Eve.
They'd gone to the Roxy nightclub in Boston's theater district to welcome the dawn of
2003. But Maxwell's girlfriend wound up marking the holiday in their room at the hotel
that houses the nightclub.

''All of a sudden, it just happened - no warning, nothing,'' Maxwell said. ''She 
didn't know
what hit her. You don't know whether you're coming or going. All you know is you are
really down.''

Stephen Smith can be reached at [EMAIL PROTECTED]



This story ran on page A1 of the Boston Globe on 1/7/2003.
© Copyright 2002 Globe Newspaper Company.
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