Trends of Herpes Simplex Virus Type 2 in Northern Malawi
Author Information
Author(s): Glynn J R, Crampin A C, Ngwira B M M, Ndhlovu R, Mwanyongo O, Fine P E M
Primary Institution: London School of Hygiene and Tropical Medicine
Hypothesis
It is unclear whether the high prevalence of herpes simplex virus type 2 (HSV-2) found in much of Africa predates the HIV epidemic or is, to some extent, a consequence of it.
Conclusion
This study suggests that HSV-2 was already widespread before the HIV epidemic and has not been greatly influenced by it.
Supporting Evidence
- HSV-2 prevalence increased with age and was higher in women than in men.
- Women in the ANC group had lower HSV-2 prevalence than those in the community.
- The study used a random sample of the general population for control selection.
Takeaway
The study found that many people in Malawi had herpes before HIV became common, and that having a baby check-up can help estimate how many people have herpes.
Methodology
HSV-2 seroprevalence was determined among community controls and women attending antenatal clinics over several years.
Potential Biases
There may be bias due to underrepresentation of individuals with no schooling and differences in testing methods over time.
Limitations
The study may have overestimated HSV-2 prevalence due to higher refusal rates and differences in demographics among those tested.
Participant Demographics
The study included adults aged 15-44 years from a rural area in northern Malawi.
Statistical Information
Confidence Interval
95% CI 1.14 to 1.90
Digital Object Identifier (DOI)
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