from PubMed (the search was 'malaria and GIS'):

1: Hay SI, Omumbo JA, Craig MH, Snow RW.
Earth observation, geographic information systems and Plasmodium falciparum
malaria in sub-Saharan Africa
Adv Parasitol. 2000;47:173-215.
[Record as supplied by publisher]
PMID: 10997207

2: Brooker S, Rowlands M, Haller L, Savioli L, Bundy DA.
Towards an atlas of human helminth infection in sub-Saharan Africa: the use of
geographical information systems (GIS).
Parasitol Today. 2000 Jul;16(7):303-7.
PMID: 10858650

3: Najera JA.
Prevention and control of malaria epidemics.
Parassitologia. 1999 Sep;41(1-3):339-47. Review.
PMID: 10697881

4: Hu H, Singhasivanon P, Salazar NP, Thimasarn K, Li X, Wu Y, Yang H, Zhu D,
Supavej S, Looarecsuwan S.
Factors influencing malaria endemicity in Yunnan Province, PR China (analysis of
spatial pattern by GIS). Geographical Information System.
Southeast Asian J Trop Med Public Health. 1998 Jun;29(2):191-200.
PMID: 9886099
 

5: Kitron U.
Landscape ecology and epidemiology of vector-borne diseases: tools for spatial
analysis.
J Med Entomol. 1998 Jul;35(4):435-45.
PMID: 9701925

6: Omumbo J, Ouma J, Rapuoda B, Craig MH, le Sueur D, Snow RW.
Mapping malaria transmission intensity using geographical information systems
(GIS): an example from Kenya.
Ann Trop Med Parasitol. 1998 Jan;92(1):7-21.
PMID: 9614449

7: Sharma VP, Srivastava A.
Role of geographic information system in malaria control.
Indian J Med Res. 1997 Aug;106:198-204. Review.
PMID: 9291687

====
and some from a search for just GIS:

1: Dunn CE, Kingham SP, Rowlingson B, Bhopal RS, Cockings S, Foy CJ, Acquilla
SD, Halpin J, Diggle P, Walker D.
Analysing spatially referenced public health data: a comparison of three
methodological approaches.
Health Place. 2001 Mar;7(1):1-12.
[Record as supplied by publisher]
PMID: 11165151

2: Hendrickx G, de La Rocque S , Reid R, Wint W.
Spatial trypanosomosis management: from data-layers to decision making.
Parasitol Today. 2001 Jan 1;17(1):35-41.
[Record as supplied by publisher]
PMID: 11137739

3: Brooker S, Michael E.
The potential of geographical information systems and remote sensing in the
epidemiology and control of human helminth infections
Adv Parasitol. 2000;47:245-88.
[Record as supplied by publisher]
PMID: 10997209

4: Hay SI, Omumbo JA, Craig MH, Snow RW.
Earth observation, geographic information systems and Plasmodium falciparum
malaria in sub-Saharan Africa
Adv Parasitol. 2000;47:173-215.
[Record as supplied by publisher]
PMID: 10997207

5: Robinson TP.
Spatial statistics and geographical information systems in epidemiology and
public health
Adv Parasitol. 2000;47:81-128.
[Record as supplied by publisher]
PMID: 10997205

6: Cedfeldt PT, Watzin MC, Richardson BD.
PROFILE: Using GIS to Identify Functionally Significant Wetlands in the
Northeastern United States.
Environ Manage. 2000 Jul;26(1):13-24.
[Record as supplied by publisher]
PMID: 10799637