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Cumulative 8-day (lag 0–7 days) relative risks (RR) for average temperature, cumulative 6-day (lag 0–5 days) RR for air pollutants (NO2, O3 and PM2.5), and cumulative 11-day (lag 0–10 days) RR for virus-specific positive isolation rate associated with outpatient visits of acute upper respiratory infections using DLNM model controlled effects of relative humidity, wind speed, long-term trend, day of the week, and holiday effects.
