Title page
Contents
About Public Health England 2
1. Background 4
2. Definitions 5
2.1. Influenza-like illness 5
2.2. Outbreak 6
3. Epidemiological parameters 7
4. Investigation and surveillance 9
4.1. Risk assessment 9
4.2. Swabbing 9
4.3. Monitoring 10
4.4. Recording and surveillance 11
5. Outbreak control and communications 12
5.1. Infection control 12
5.1.1. Residents 12
5.1.2. Staff 13
5.1.3. Visitors 13
5.1.4. Hygiene 13
5.1.5. Cleaning and waste disposal 14
5.1.6. Ward or home closures 14
5.1.7. Personal Protective Equipment (PPE) for staff 15
5.2. Antivirals 15
5.2.1. Treatment 16
5.2.2. Post Exposure Prophylaxis 17
References 18
Appendix 1: Definitions of ILI 20
Appendix 2: Postal swabbing kits 21
Appendix 3: Frequently asked questions about infectiousness and duration of shedding 22
Appendix 4: Possible audit indicators for use by PHE Centre HPTs 25
Boxes
Box 1. (Omit) 9
Box 2. Description of uncomplicated influenza, complicated influenza and risk factors for complicated influenza 16