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• orovirus here to stay Experts sad n outbreaks in Oregon have risen . develop a lasting immunity. T91,e eYm haS CQUSeCj from 21 in 2001 to 81 in .2003,. "Once you have it, the im- g with 33 reported so far this munity is short-lived, and. you jarge,outj)reaks year. Some of that growth could can get it over: and over again, " he said. . tjil"oUghOUt OPegOri be because the state's: ability to every season, conta- track the virus has improved ious r fastumoving lg irhs that with symp- BY TYPx'Tvcxrx over time, Cieslak said. g The Associated. Press Two of the most recent cases strikes suddenly ° - 250 people in Corvallis and toms that include nausea, stom- PORTLAND -The Norwalk ph is and faculty atuLew s and rhea c Symptom s generallydiast virus, best known for the havoc den it wreaked on cruise. ships. in .,Clark College -are typical of aassed~from pe son tospe son summer 2002, is now .the most how the disease strikes. p Register Guard 3/9/04 the virus hit through contact with feces .or .commonly recognized reason At the college, vomit. for disease outbreaks in Oregon quickly and then just as quickly : <`Humans are the only according to an epidemiology retreated. Students antomas.lfor known reservoir for.this thing. study by the Oregon Depart- complained of symp It is in the gut for several days, meat of Human Services. t~'?~eys~ loved og ther, ate and if, you don't wash your "It's out there all the time, it's just not going away," said together and went to class to- hands after using the #oilet, you " Cieslak said. Paul Ciesiak, manager of the gether," said Dean of Students c S~dyi of the virus, to fmd communicable Disease program ,Jon Eldridge. in the Oregon Department of health department investigated impossible becauseit is difficult Human Services. Oregon health officials say .after receiving reports of a to recreate the C ond~ said. m the disease, also called norovi- number of people getting sick which it thrives, rus, is responsible for major after eating at a local fiv~ Jackson County nursmg ' outbreaks in most of the states restaurant. t how difficult it 36 counties in .recent rashes is elusive, and'most likely won't so toecontrol the virus. in close years, including in Benton and Multnomah sooneasaid Cieslak tAnd people ra part clesuare~needed to ;Counties. . D o c u m e n to d cases o f who have contracted it don't spread the norovirus: BUG B~MBS Luckily the apartment was ~ ~ ' ~ ~ ~ vacant when this refrigerator It seems like pesticide safety educators are constantly exploded. An apartment reminding folks about the potential dangers of pesticides, manager had placed a fogger inside the fridge, but when . but unfortunately these warnings don't always sink in. The the ice maker clicked on, it one rule that is preached more than any other is to read the r. provided enough of a spark ~~y. label. Several recent national news stories have graphically . ~ ' to blow the door off. The fine shown what can happen when pesticide users do not read ~ mist of petroleum distillates and follow the label directions. In both cases detailed below, ~ provides the fuel for the blatant misuse of total release foggers resulted ~ explosion. Photo courtesy of in explosions when they were misapplied and Capt. Bill Wade, Tampa (FL) exposed to an ignition source. Fire Fighters #754 tZead The [.abet! ~iP; ~ b ~ This small house in San Diego, CA exploded after the owners set off 19 total release foggers i ~ in a 470 square foot apartment. The label on the fogger stated that each fogger was sufficient - to cover a 700 square foot area. If the directions on the foggers had been followed, the total amount would cover an area of 13300 square feet (28 times the recommended rate for this house). In addition, most fogger labels warn of the dangers posed by open ignition sources including pilot lights. In this case, the pilot light was left on. The force from the explosion was a. enough to knock the wall down (note the Christmas Tree leaning out) and blow out the windows. Photo courtesy of NBC San Diego http:/lwww.nbcsandiego.com ODA:PESTICIDE .QUARTERLY. .