Real-time Syndromic Surveillance Team, Public Health England, Birmingham B3 2PW, UK and.|Real-time Syndromic Surveillance Team, Public Health England, Birmingham B3 2PW, UK and.|Statistics and Modelling Economics Department, Public Health England, London, UK.|Statistics and Modelling Economics Department, Public Health England, London, UK.|Statistics and Modelling Economics Department, Public Health England, London, UK.|Real-time Syndromic Surveillance Team, Public Health England, Birmingham B3 2PW, UK and.