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. 2020 Feb;47(2):122-127.
doi: 10.1097/OLQ.0000000000001101.

Testing for Sexually Transmitted Diseases in US Public Health Laboratories, 2016

Alissa Davis  1 , Anne Gaynor  2
Affiliations

Testing for Sexually Transmitted Diseases in US Public Health Laboratories, 2016

Alissa Davis et al. Sex Transm Dis. 2020 Feb.

Abstract

Background: Laboratory testing practices are an important part of sexually transmitted disease (STD) diagnosis and control. The goal of this article is to describe the volume and types of STD tests performed in public health laboratories (PHLs) in the United States in 2016.

Methods: A total of 105 state and local PHLs who were members of the Association of Public Health Laboratories were invited to participate in a survey between May and August 2017. This web-based survey included questions on types of tests offered for different types of STDs, the number of tests offered in 2016, and number of samples that tested positive for each STD.

Results: Eighty-one (77.1%) of 105 member PHLs responded. Overall in 2016, 2,242,728 Chlamydia trachomatis tests, 2,298,596 Neisseria gonorrhoeae (GC) tests, 1,235,037 Treponema pallidum (syphilis) tests, 177,571 Trichomonas vaginalis tests, 37,101 herpes simplex virus tests, and 8707 human papillomavirus tests were performed in 2016 in surveyed laboratories. Sixty-seven (82.7%) of PHLs offered C. trachomatis and GC nucleic acid amplification testing. Ninety percent of laboratories performed syphilis testing, 42% performed T. vaginalis testing, and 28.4% performed herpes simplex virus type-specific nucleic acid amplification testing. Few laboratories tested for human papillomavirus.

Conclusions: This survey collected important information on PHL STD laboratory testing practices. Capacity for important reference laboratory testing, such as GC culture and antimicrobial susceptibility, are needed to support STD programs. Public health laboratories play a key role in STD screening, surveillance, and prevention by offering test methods that are not available at commercial laboratories. Funding constraints affect the resources available for STD screening and surveillance, and thus, it is important to continue to monitor testing practices and the capacity of PHLs to test for STDs.

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Figures

Figure 1.
Figure 1.
Map of state and local public health laboratories that completed the survey, 2016. *State PHLs that completed the survey are shaded in blue; local PHLs that completed the survey are shaded in red; state PHLs that did not complete the survey are shaded in gray.
Figure 2.
Figure 2.
Most common specimen types received by PHL for CT and GC by sex (n = 81).
See this image and copyright information in PMC

Comment in

References

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