Volume 28, Number 3—March 2022
Research
Nowcasting (Short-Term Forecasting) of COVID-19 Hospitalizations Using Syndromic Healthcare Data, Sweden, 2020
Figure 1

Figure 1. Daily incidence of telenursing calls for 2 chief complaints, COVID-19 hospitalizations, and laboratory-confirmed influenza plus reference data from before the COVID-19 pandemic, Östergötland County, Sweden. A) Telenursing calls per 100,000 population for chief complaints of cough by adult (blue line) and fever by adult (red line), February 20–June 30, 2020. B) COVID-19 hospitalizations per 100,000 population, February 20–June 30, 2020. C) Cases of laboratory-confirmed influenza per 100,000 population February 20–June 30, 2020 (black line). Light gray line indicates the average for cases of laboratory-confirmed influenza in 2015–2019; dark gray shaded area is the corresponding range. D) Telenursing calls per 100,000 population for the chief complaint cough by adult in 2015–2019 (light grey line) with corresponding range (dark grey shaded area). E) Telenursing calls per 100,000 population for the chief complaint fever by adult in 2015–2019 (light grey line) with corresponding range (dark grey shaded area).