Fig. 1From: Household presentation of influenza and acute respiratory illnesses to a primary care sentinel network: retrospective database studies (2013–2018)Standardised rates of household incidence cases for ILI, LRTI, URTI by age band, gender and year. There is most variation between years in ILI, though LRTI and URTI follow a similar pattern. Other than for some years in ILI and in LRTI and URTI in the 0-4 year age-band, females generally present more than males. Change in incidence rate of ILI, LRTI and URTI with household size, socioeconomic status and presence of children under 5-years in the household: Registered Population of the RCGP RSC Surveillance Network of primary care practices in UK. 2013/14 Season to 2017/18 SeasonBack to article page