Assertion: swine flu's case | /r/Synonym | swine flu
Facets:
Source sentences:
text: On March 17 2009, the first case of a novel H1N1 influenza virus infection, also known as swine flu, was documented in Mexico.
text: On March 17, 2009, the first case of a novel H1N1 influenza virus infection, also known as swine flu, was documented in Mexico.