article_snippet: CDC officials have arrived at the Tulane National Primate Research Center in Louisiana to try to determine how at least seven monkeys became exposed to a deadly bacteria used in bioweapons.
article_snippet: Three of at least seven monkeys had to be euthanized after showing signs of the bacterium, Burkholderia pseudomallei, which was being studied in a secure lab in another part of the Tulane National Primate Research Center, USA Today reported.
article_snippet: Concerns: Monkeys at the Tulane National Primate Research Center in Louisiana in Louisiana were exposed to a potentially deadly bacteria last fall - but authorities still do not know how or why it happened .
article_snippet: Animals pass the Tulane National Primate Research Center in Louisiana in Animals urine and feces - potentially contaminating the ground and water around them - and others can become infected through direct contact with the contaminated areas.
article_snippet: The monkeys, rhesus macaques, had access to massive outdoor primate breeding cages, where around 4,000 macaques are kept.
article_snippet: The contaminated primates were all at the Tulane National Primate Research Center in Louisiana's veterinary hospital at the same time last fall, leading to speculation that The contaminated primates could have been exposed there.
article_snippet: Infected: At least seven rhesus macaques (file picture) have shown signs of exposure and three have died .
article_snippet: Last week, tests by the CDC determined two further monkeys showed signs of contracting the bacteria, bring the number of infected monkeys to seven.
highlights_snippet: At least seven rhesus macaques at the Tulane National Primate Research Center have been exposed to the potentially deadly bacteria .
  
highlights_snippet: At least seven rhesus macaques at the Tulane National Primate Research Center were exposed even though the bacterium was being studied in a secure lab in another part of the 500-acre research complex .
  