Reference 28

Level I Good quality evidence Systematic review of RCTs with
consistent findings
High quality individual RCT
Level II Limited quality patient
orientated evidence
Systematic review of lower quality
studies or studies with inconsistent
findings
Low quality clinical trial
Cohort studies
Case-control studies
Level III Other Consensus guidelines, extrapolations
from bench research, usual practice,
opinion, disease-oriented evidence
(intermediate or physiologic outcomes
only), or case series

[28] Monitoring (HIV occupational and non-occupational exposure): Moorhouse M, Bekker LG, Black V, Conradie F, Harley B, Howell P, Maartens G, Papavarnavas T, Rebe K, Sorour G, Venter F, Wallis CL. Guideline on the management of occupational and non-occupational exposure to the human immunodeficiency virus and recommendations for post-exposure prophylaxis: 2015 Update. South Afr J HIV Med. 2015 Nov 10;16(1):399. https://www.ncbi.nlm.nih.gov/pubmed/29568597

Monitoring (HIV occupational and non-occupational exposure): Centers for Disease Control and Prevention Guidelines: Post exposure Prophylaxis to Prevent Hepatitis B Virus Infection. MMWR 2006,56(RR-16), Appendix B. https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5516a3.htm?s_cid=rr5516a3_e