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Table 5 The cumulative extreme effects of mean temperature and PM1 on influenza A 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 hot effects (95% CI)

Cumulative extreme high PM1effects (95% CI)

All age children (0–18 years)

10.55 (7.81, 14.27)

22.20 (11.55, 42.68)

1.64 (1.22, 2.19)