An outbreak of aseptic meningitis due to echovirus 30 in a high school baseball club--possible role of severe exercise for a high attack rate.
In September 2008, an outbreak of aseptic meningitis caused by echovirus 30 occurred in Ota City, Gunma. Among the 26 people hospitalized, 17 were members of a high school baseball club. The attack rate within the club was as high as 40%. The other 9 patients were either their families or close relatives of the baseball club members, indicating the outbreak was confined to a limited community. Although numerous outbreaks of echoviral meningitis have been reported worldwide, those with such a high attack rate within a limited community are rare. Severe physical exercise in a hot temperature could be associated with this high attack rate.
Department of Neurology, Fuji Heavy Industries Health Insurance Corporation, Ota General Hospital, Ota. thayashi@ota-hosp.or.jp
Takeshi
T
Hayashi
Takamasa
T
Shirayoshi
Takuro
T
Nagano
Hiroyuki
H
Yaoita
Shuji
S
Kogure
Hiroki
H
Nariai
Tomo
T
Natsumeda
Mayumi
M
Taniuchi
Mitsuru
M
Sandoh
Yoshitake
Y
Sato
D000293:Adolescent; D000328:Adult; D001484:Baseball; D002648:Child; D004196:Disease Outbreaks; D004457:Echovirus Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology; D015444:Exercise; D005260:Female; D006358:Hot Temperature / Q000009:adverse effects; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male; D008582:Meningitis, Aseptic / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology