LFD) test kits for outbreak testing has now closed. During a suspected outbreak of ARI, settings can access multiplex PCR tests through their local health protection team (HPT) to help identify the infection responsible.This guidance is for commissioners, providers and staff in the following settings and services in England:These settings will be referred to in this guidance as ‘inclusion health settings’.Additional guidance on and is also available.This guidance does not apply to adult social care, prisons and places of detention (PPDs), secure children’s homes, secure schools, secure training centres and Young Offenders Institution units for those aged under 18 years.