Subjects: RESPIRATORY syncytial virus infections; ACUTE flaccid paralysis; ACUTE diseasesCANADA
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Subjects: *INFLUENZA; *INFLUENZA viruses; *RESPIRATORY infectionsCANADA; AFRICA
Subjects: *INFLUENZA diagnosis; *INFLUENZA viruses; *COMMUNICABLE disease diagnosisCANADA; UNITED Kingdom
Subjects: VIRUS diseases; INFLUENZA viruses; DUCKSCANADAWEBSTER, Robert
Subjects: *ECONOMICS; INFLUENZA viruses; OLYMPIC Winter GamesCANADAROYAL Canadian Mounted Police
Subjects: COVID-19 pandemic; COVID-19; INFLUENZA A virusCANADA
Subjects: *INFLUENZA viruses; *SWINE; *TURKEYSCANADA