Assertion: swine flu's case | /r/AtLocation | this report
Facets:
Source sentences:
text: During December 2005--November 2010, before the two cases described in this report, 21 cases of human infection with swine-origin influenza were reported (12 cases with swine-origin influenza
text: The lack of known direct exposure to pigs in one of the two cases described in this report suggests the possibility that limited human-to-human transmission of this influenza virus occurred.