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Fig. 4 | BMC Medicine

Fig. 4

From: Regional-based within-year seasonal variations in influenza-related health outcomes across mainland China: a systematic review and spatio-temporal analysis

Fig. 4

Province-level normalised mean epidemic intensity of influenza test positivity among ILI outpatients, sorted by descending latitude (based on province centroid). A Influenza test positivity rate for all common seasonal strains combined. B Influenza test positivity rates by A/H3N2, A/H1N1pdm09 and B subtypes. Pandemic period excluded. Centre points denote the province mean intensity; the light and darker shaded bands represent 95% and 75% confidence intervals, respectively. Dashed vertical line represents the group mean

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