Table  Characteristics of confirmed COVID-19 cases, WHO European Region, as at 21 February 2020 (n = 38)a
Characteristics  Number of cases overall  Number of cases infected in Europe  Number of cases infected in China  p valueb
Age range in years
    0–17  4  3  0  0.08
    18–49  24  13  9
    50–64  7  5  2
    ≥ 65  3  0  3
Sex
    Male  25  14  8  0.6
    Female  13  7  6
Hospitalised
    Yes  35  21  14  ND
    No  2  ND  ND
    Unknown  1  ND  ND
Symptomsc (31 cases with available information)
    Asymptomatic  2  ND  ND  ND
    Fever  20  ND  ND
    Cough  14  ND  ND
    Weakness  8  ND  ND
    Headaches  6  ND  ND
    Sore throat  2  ND  ND
    Rhinorrhoea  2  ND  ND
    Shortness of breath  2  ND  ND
Mean days from onset to hospitalisation(29 cases)  3.7  4.6  2.5  ND
Mean days from onset to first positive laboratory test(16 cases)  5.1  6.5  5.2  ND
COVID-19: coronavirus disease 2019; ND: not determined or known; WHO: World Health Organization.
a The Table does not include nine cases reported in the United Kingdom.
b Chi-squared test for difference in distributions between cases infected in Europe and those infected in China.
c A single case could have more than one symptom. Only symptoms reported by two or more cases shown.