Coronavirus disease (COVID-19) technical guidance by WHO Household transmission investigation protocol | 页面 4

Contents
Summary .........................................................................................................................................................5
1.
Background ............................................................................................................................................7
1.1 Introduction ............................................................................................................................ 7
1.2 Objectives ............................................................................................................................... 8
2.
Methods .................................................................................................................................................9
2.1 Design ..................................................................................................................................... 9
2.2 Population .............................................................................................................................. 9
2.3 Duration................................................................................................................................ 11
2.4 Data collection ...................................................................................................................... 11
2.4.1 Summary ............................................................................................................................................ 11
2.4.2 Use of the Go.Data tool...................................................................................................................... 12
2.4.3 Follow-up of cases and contacts ........................................................................................................ 13
2.5 Laboratory evaluations ......................................................................................................... 16
2.5.1 Specimen collection ........................................................................................................................... 16
2.5.2 Specimen transport ............................................................................................................................ 17
2.6 Ethical considerations ........................................................................................................... 17
2.6.1 Informed consent and assent ............................................................................................................. 18
2.6.2 Risks and benefits for subjects ........................................................................................................... 18
2.6.3 Confidentiality .................................................................................................................................... 18
2.6.4 Terms of use: Go.Data ........................................................................................................................ 18
2.6.5 Prevention of COVID-19 infection in investigation personnel ........................................................... 19
3.
Statistical analyses ............................................................................................................................... 19
3.1 Sample size ........................................................................................................................... 19
3.2 Plan of analyses .................................................................................................................... 19
4. Reporting of findings ............................................................................................................................ 24
5. References ............................................................................................................................................ 24
6. Further reading and online courses ....................................................................................................... 26
7. Acknowledgments ................................................................................................................................ 26
Appendix A: Questionnaires ........................................................................................................................... 28
Form 1A : Case initial reporting from – for confirmed cases (Day 1) .......................................................... 29
Form 1B: Contact initial reporting form – for household contacts of confirmed cases (Day 1) ................. 32
Form 2: Follow-up reporting from – for confirmed cases and household contacts (Day 7) ....................... 36
Form 3: Follow-up reporting form – for confirmed cases and household contacts (Day 14) ..................... 37
Form 4: Follow-up reporting form – for confirmed cases and household contacts (Day 28) ..................... 38
Form 5: Laboratory results reporting form– for confirmed cases and household
contacts (Day 1, 7, 14, 28) ........................................................................................................................... 39
Symptom diary for household contacts of confirmed cases (Day 1–28) .................................................... 40
Appendix B: Comparison between the features and complementarity of the main
coronavirus disease 2019 (COVID-19) early investigation protocols ............................................................... 41
Appendix C: Go.Data software ....................................................................................................................... 44
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