[Emerging Infectious Diseases * Volume 3 * Number 3 * July - September 1997] Perspectives * Recombination in HIV: An Important Viral Evolutionary Strategy, D.S. Burke * Host Genes and HIV: The Role of the Chemokine Receptor Gene CCR5 and Its Allele (delta 32CCR5), J.M. McNicholl, D.K. Smith, S.H. Qari, and T. Hodge * Resistance, Remission, and Qualitative Differences in HIV Chemotherapy, D.E. Kirschner and G.F. Webb * Emerging Foodborne Diseases, S.F. Altekruse, M.L. Cohen, and D.L. Swerdlow * DDT, Global Strategies, and a Malaria Control Crisis in South America, D.R. Roberts, L.L. Laughlin, P. Hsheih, and L.J. Legters * Emerging and Reemerging Helminthiases and the Public Health of China, P.J. Hotez, Feng Zheng, Xu Long-qi, Chen Ming-gang, Xiao Shu-hua, Liu Shu-xian, D. Blair, D.P. McManus, and G.M. Davis Synopses * Vancomycin-Resistant Enterococci Outside the Health-Care Setting: Prevalence, Sources, and Public Health Implications, L.C. McDonald, M.J. Kuehnert, F.C. Tenover, and W.R. Jarvis * Flea-borne Rickettsioses: Ecologic Considerations, A.F. Azad, S. Radulovic, J.A. Higgins, B.H. Noden, and J.M. Troyer * Aedes albopictus in the United States: Ten-Year Presence and Public Health Implications, C.G. Moore and C.J. Mitchell * Using a Mathematical Model to Evaluate the Efficacy of TB Control Measures, L. Gammaitoni and M.C. Nucci * Borna Disease Virus Infection in Animals and Humans, J.A. Richt, I. Pfeuffer, M. Christ, K. Frese, K.Bechter, and S. Herzog Dispatches * Deer Ticks (Ixodes scapularis) and the Agents of Lyme Disease and Human Granulocytic Ehrlichiosis in a New York City Park , T.J. Daniels, R.C. Falco, I. Schwartz, S. Varde, and R.G. Robbins * Jail Fever (Epidemic Typhus) Outbreak in Burundi, D. Raoult, V. Roux, J.B. Ndihokubwayo, G. Bise, D. Baudon, G. Martet, and R. Birtles * Hantavirus Transmission in the United States, R.M. Wells, J. Young, R.J. Williams, L.R.Armstrong, K. Busico, A.S. Khan, T.G. Ksiazek, P.E. Rollin, S.R. Zaki, S.T. Nichol, and C.J. Peters * Population Dynamics of the Deer Mouse (Peromyscus maniculatus) and Sin Nombre Virus, California Channel Islands, T.B. Graham and B.B. Chomel * Emerging Quinolone-Resistant Salmonella in the United States, H. Herikstad, P. Hayes, M. Mokhtar, M.L. Fracaro, E.J. Threlfall, and F.J. Angulo * Multidrug-Resistant Enteroaggregative Escherichia coli Associated with Persistent Diarrhea in Kenyan Children, W.K. Sang, J.O. Oundo, J.K. Mwituria, P.G. Waiyaki, M. Yoh, T. Iida, and T. Honda * Molecular Epidemiologic Investigations of Mycoplasma gallisepticum Conjunctivitis in Songbirds by Random Amplified Polymorphic DNA Analyses, D.H. Ley, J.E. Berkhoff, and S. Levisohn * Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species? N.J. Pieniazek and B.L. Herwaldt * Rapid Increase in the Prevalence of Metronidazole-Resistant Helicobacter pylori in the Netherlands, E.J. van der Wouden, A.A. van Zwet, J.C. Thijs, G.D.C. Vosmaer, J.A.J. Oom, A. de Jong, and J.H. Kleibeuker * An Increase in Hookworm Infection Temporally Associated With Ecologic Change, B. Lilley, P. Lammie, J. Dickerson, and M. Eberhard * Using Laboratory-Based Surveillance Data for Prevention: An Algorithm for Detecting Salmonella Outbreaks, L.C. Hutwagner, E.K. Maloney, N.H. Bean, L. Slutsker, and S.M. Martin Commentaries * Host Genes and HIV Infection: Implications and Applications, R.A. Kaslow * Controversies in the Management of Cysticercosis, C. Evans, H.H. Garcia, R.H.Gilman, and J.S. Friedland Letters * Paratyphoid Fever due to Salmonella enterica Serotype Paratyphi A, A. Kapil, S. Sood, V.P. Reddaiah, B. Das, and P. Seth * MHC and Infectious Diseases, V.S. Sloan * Reply to V.S. Sloan, N. Singh * Acute Epiglottitis due to Pasteurella multocida in an Adult without Animal Exposure, M. Glickman and R.S. Klein * Hemolytic Uremic Syndrome Surveillance to Monitor Trends in Infection with Escherichia coli O157:H7 and Other Shiga Toxin-Producing E. coli, B.E. Mahon, P.M. Griffin, P.S. Mead, and R.V. Tauxe Book Review * Virus Hunter, N. Nathanson News and Notes * Salmonella Typhimurium Definitive Type 104 * Guidelines for the Prevention of Opportunistic Infections in HIV-Infected Persons * Erratum ---------------------------------------------------------------------------