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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Influenza in Malaysian adult patients hospitalized with community-acquired pneumonia, acute exacerbation of chronic obstructive pulmonary disease or asthma: a multicenter, active surveillance study

Fig. 2

Number of patients enrolled and influenza-positive rate per week of hospital admission overall and by subtypes. Influenza-positive rate and proportions of circulating virus subtypes in the three study sites, July 2018 to August 2019. The influenza-positive rate shown for each epidemiological week is the 4-week moving average (MA; dashed line), which is the average rate of that week and the preceding 3 weeks. 4WMA: 4 weeks moving positivity average

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