S. Gregson

Measuring effectiveness in community randomized trials of HIV prevention (2008)

Hallett, TB, Garnett, GP, Mupamberiyi, Z, Gregson, S

Background Complicated HIV transmission dynamics make it unclear how to design and interpret results from community-randomized controlled trials (CRCT) of interventions to prevent infection. Methods...

Voluntary counselling and testing: uptake, impact on sexual behaviour, and HIV incidence in a rural Zimbabwean cohort (2007)

Sherr, L., Lopman, B., Kakowa, M., Dube, S., Chawira, G., Nyamukap, C., ...

Objectives: To examine the determinants of uptake of voluntary counselling and testing (VCT) services, to assess changes in sexual risk behaviour following VCT, and to compare HIV incidence amongst...

The Manicaland HIV/STD Prevention Project: Studies on HIV transmission, impact and control in rural Zimbabwe (2004)

Gregson, S.; Biomedical Research And Training Institute, P.O. Box CY1753, University Of Zimbabwe Campus, Harare And Imperial College Faculty Of Medicine, St. Mary's Campus, Norfolk Place, LondonW2 1PG

The Manicaland HIV/STD Prevention Project is a major collaborative scientific research initiative that has been underway in rural areas of eastern Zimbabwe since the early 1990s. The principal...

Chemistry of compounds related to the cytokinins. (1983)

Gregson, S, Bradford Univ. (GB).

Thesis (Ph.D.)

Chlamydia trachomatis in a symptomatic and asymptomatic men: detection in urine by enzyme immunoassay (1970)

Mason, P R, Gwanzura, L, Gregson, S, Katzenstein, D K

No Abstract. Central African Journal of Medicine Vol. 46 (3) 2000: pp. 62-64

Informal confidential voting interview methods and temporal changes in reported sexual risk behaviour for HIV transmission in sub-Saharan Africa

Gregson, S, Mushati, P, White, P, Mlilo, M, Mundandi, C, Nyamukapa, C

Objectives: Reliable data on sexual behaviour trends are needed to evaluate HIV interventions in sub-Saharan Africa but are difficult to obtain due inter alia to social desirability bias. The...

Patterns of uptake of treatment for self reported sexually transmitted infection symptoms in rural Zimbabwe

Lewis, J, Garnett, G, Nyamukapa, C, Donnelly, C, Mason, P, Gregson, S

Objectives: To determine the extent of self reported symptoms perceived to be related to sexually transmitted infections and the patterns of subsequent treatment seeking behaviour in a predominantly...

Discrepancies between UN models and DHS survey estimates of maternal orphan prevalence: insights from analyses of survey data from Zimbabwe

Robertson, L, Gregson, S, Madanhire, C, Walker, N, Mushati, P, Garnett, G, ...

Declines in HIV prevalence can be associated with changing sexual behaviour in Uganda, urban Kenya, Zimbabwe, and urban Haiti

Hallett, T B, Aberle‐Grasse, J, Bello, G, Boulos, L‐M, Cayemittes, M P A, Cheluget, B, ...

Criteria for detecting and understanding changes in the risk of HIV infection at a national level in generalised epidemics

Garnett, G P, Gregson, S, Stanecki, K A

Identification of causes of changes in prevalence and incidence of HIV at a national level is important for planning future prevention and intervention needs. However, the slow progression to disease...

HIV prevalence and trends from data in Zimbabwe, 1997–2004

Mahomva, A, Greby, S, Dube, S, Mugurungi, O, Hargrove, J, Rosen, D, ...

Measuring trends in age at first sex and age at marriage in Manicaland, Zimbabwe

Cremin, I, Mushati, P, Hallett, T, Mupambireyi, Z, Nyamukapa, C, Garnett, G P, ...

The effectiveness of HIV prevention and the epidemiological context.

Grassly, N. C., Garnett, G. P., Schwartländer, B., Gregson, S., Anderson, R. M.

Planning an intervention to prevent infections with the human immunodeficiency virus (HIV) should be guided by local epidemiological and socioeconomic conditions. The socioeconomic setting and...

Role of widows in the heterosexual transmission of HIV in Manicaland, Zimbabwe, 1998–2003

Lopman, B A, Nyamukapa, C, Hallett, T B, Mushati, P, Preez, N Spark-du, Kurwa, F, ...