Update: influenza activity--United States, 1992-93 season.
From September 27, 1992, through January 19, 1993, 344 influenza virus isolates were reported in 29 states (Figure 1). The number of reported isolates began to increase in early December and continued to increase during the first 2 weeks of January.
D004196:Disease Outbreaks; D006801:Humans; D009980:Influenza A virus; D009981:Influenza B virus; D007251:Influenza, Human / Q000453:epidemiology* / Q000382:microbiology; D012621:Seasons; D014481:United States / Q000453:epidemiology