Assertion: polio | /r/CreatedBy | wild polioviruses
Facets:
Source sentences:
text: Health-care workers in close contact with individuals who may be excreting wild polioviruses ; or Individuals who are members of specific population groups currently supervening an outbreak of polio caused by wild polioviruses; or Laboratory workers handling specimens which may contain polioviruses ; or Travelers to areas where poliomyelitis is endemic or epidemic .