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In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.

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 More than 100 people have now reported they got sick with suspected food poisoning at a national Food Safety Summit held earlier this month in Baltimore. 
  
 Maryland state health officials say they still don’t know what caused the outbreak of gastroenteritis that left participants suffering symptoms that included diarrhea and nausea. 
  
 “We are working on evaluating possible exposures and doing testing at the Maryland state public health laboratory to attempt to identify an agent,” officials said in a letter to attendees. 
  
 The conference, held April 8 to 10 at the Baltimore Convention Center, attracted at least 1,300 of the top food safety officials in the nation, including staff from federal agencies such as the Food and Drug Administration and the Centers for Disease Control and Prevention as well as businesses such as McDonald’s, Tyson and ConAgra Foods. 
  
 Health officials have heard back from about 400 of those who attended, so the actual toll of illness might be higher. 
  
 City health officials inspected the convention center and its food service provider, Centerplate. The company was issued a violation notice for condensation dripping from one of the two ice machines in the kitchen, a spokesman said. ||||| April 29 (Reuters) - A U.S. food safety summit in Maryland earlier this month has become a cautionary tale after more than 100 attendees came down with suspected food poisoning. 
  
 Most of those affected complained of diarrhea, the Maryland Department of Health and Mental Hygiene said in a statement. 
  
 Local health officials have heard from about 400 of the 1,300 attendees and are at a loss as to the exact cause of their illness. 
  
 The April 8-10 meeting at the Baltimore Convention Center included representatives from the U.S. Food and Drug Administration and the Centers for Disease Control and Prevention, and food companies such as McDonald's Corp, Tyson Foods Inc and ConAgra Foods Inc. 
  
 "We are working on evaluating possible exposures and doing testing at the Maryland state public health laboratory to attempt to identify an agent," the health department said in the statement. 
  
 The convention center and its food service provider, Centerplate, were inspected by city health officials. Centerplate was issued a violation notice for condensation dripping from an ice machine in the kitchen, according to NBC News. 
  
 Centerplate declined a Reuters' request for comment. (Reporting by Lindsay Dunsmuir in New York; Editing by Ian Simpson and Andre Grenon in New York) |||||
Output:
Irony alert: Maryland health officials suspect that food poisoning sickened more than 100 attendees of a national conference about, yes, food safety, reports Reuters. Representatives of the FDA, the CDC, and food giants such as McDonald's and ConAgra attended the April 8-10 summit at the Baltimore Convention Center, and dozens ended up with diarrhea and nausea, reports NBC News. The food service provider was cited for condensation dripping from an ice machine, though it's not clear whether that's the culprit. The Consumerist views it as a "prank from the food gods."