article_snippet: Additionally, the number of monkey's infected by the bioterror bacterium at Tulane National Primate Research Center has increased from eight to nine and are expected to continue rising, officials say.
article_snippet: Three of the monkeys have already been euthanized after showing signs of Burkholderia pseudomallei, which was being studied in a secure lab in another part of the 500-acre facility.
article_snippet: Concerns: Monkeys at the Tulane National Primate Research Center in Louisiana were exposed to a potentially deadly bacteria last fall - but authorities still do not know how or why it happened .
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 nine rhesus macaques at Tulane National Primate Research Center were exposed to Burkholderia pseudomallei, a deadly bacteria .
  
highlights_snippet: At least nine rhesus macaques at Tulane National Primate Research Center were exposed even though At least nine rhesus macaques at Tulane National Primate Research Center was being studied in a secure lab in another part of the 500-acre Louisiana research complex .
  