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Table 6 The cumulative extreme effects of mean temperature and PM1 on influenza B incidence at lag day 7

From: The association between the seasonality of pediatric pandemic influenza virus outbreak and ambient meteorological factors in Shanghai

Meteorological factors

Mean temperature (°C)

PM1(ppm)

Cumulative extreme cold effects (95% CI)

Cumulative extreme high PM1effects (95% CI)

All age children (0–18 years)

29.74 (18.36, 48.15)

14.55 (10.55, 20.07)