Naturally Acquired Immunity to Haemophilus influenzae Type B in Healthy Cuban Children Gilda Toraño Peraza, Ibis Hernández Vadell, María Eugenia Toledo Romaní, Alberto Baly Gil, Isis Tamargo Martínez, Annia Carmenate García PAGE: 687-689

Population Dynamics of Intermediate Snail Hosts of Fasciola hepatica and Some Environmental Factors in San Juan y Martinez Municipality, Cuba Roberto Cañete, Mary Yong*, Jorge Sánchez*, Lin Wong*, Alfredo Gutiérrez*

Evaluation of Four Methods for Detecting the Beta-lactamase Activity in Neisseria gonorrhoeae Isolated in Cuba Rafael Llanes, Miriam González, Isabel Martínez, Jorge Sosa, Daymi Guzmán, Oderay Gutiérrez, Alina Llop, Lizet Sánchez* PAGE: 1089-1091

Intestinal Coccidia in Cuban Pediatric Patients with Diarrhea FA Núñez, OM González, I González, AA Escobedo, RA Cordoví PAGE: 539-542

Prevalence of Chlamydia trachomatis in Human Immunodeficiency Virus-infected Women in Cuba Vivian Kouri, Judith Cartaya, María E Rodríguez, Mayra Muné, Yudira Soto, Sonia Resik, Jose Bravo, Alina Llop PAGE: 1073-1077

Identification of Biomphalaria havanensis and Biomphalaria obstructa Populations from Cuba Using Polymerase Chain Reaction and Restriction Fragment Length Polymorphism of the Ribosomal RNA Intergenic Spacer Teofânia HDA Vidigal, Roberta L Caldeira, Andrew JG Simpson, Omar S Carvalho PAGE: 661-665

Transmission of Tuberculosis in Havana, Cuba: a Molecular Epidemiological Study by IS6110 Restriction Fragment Length Polymorphism Typing R Diaz, RI Gomez, E Restrepo, R Rumbaut, J Sevy-Court, JA Valdivia, D van Soolingen PAGE: 437-443

Typing and Susceptibility to Penicillin of Neisseria meningitidis Isolated from Patients in Cuba (1993-1999) Jorge Sosa, Rafael Llanes, Daymi Guzmán, Ibrahín Quintana, Mayra Flores, Oderay Gutiérrez PAGE: 523-525

Characterization of Neisseria gonorrhoeae Strains Isolated from Patients with Conjunctivitis Jorge Sosa, Rafael Llanes, Wilder Rodríguez, Yainelys Gutiérrez, Daymi Guzmán PAGE: 853-854

Isolation and Identification of Adenovirus in Hospitalized Children, under Five Years, with Acute Respiratory Disease, in Havana, Cuba Tania Pumariega, Clara Savón, Mayra Muné, Reynel Cancio, Grehete González, Angel Valdivia, Zoila González, Angel Goyenechea PAGE: 859-861

The Epidemiological Impact of Antimeningococcal B Vaccination in Cuba Antonio Pérez Rodríguez, Félix Dickinson, Alberto Baly, Ramón Martinez PAGE: 433-440

Outbreak of Acute Haemorrhagic Conjunctivitis in Cuba Ivonne Avalos Redón, Pedro José Más Lago, Luis Raymond Sarmiento Pérez, Rosa Esther Palomera Puentes, Marité Bello Corredor PAGE: 467-468

Prevalence and Factors Associated to the Epidemic Neuropathy in a Population Assisted by a Family Doctor in Cuba Antonio E Pérez Rodríguez, Carlota Pereira, Flora Olga Hernández, Pedro Más Lago, Angel Balmaseda, Reinaldo Menéndez PAGE: 543-550

Rapid Detection of Respiratory Syncytial Virus by Indirect Immunofluorescence in Infants Hospitalized with Acute Respiratory Disease Angel Goyenechea, Rafael Razon, Clara Savon, Angel Valdivia, Danay Chacon, Luis Sarmiento PAGE: 489-490

Evaluation of Enzyme-Linked Immunosorbent Assay for the Serodiagnosis of Tuberculosis in Patients with AIDS in Cuba Ernesto Montoro, Raúl Díaz, Miguel Echemendía, José A Valdivia PAGE: 191

Variation of snail's abundance in two water bodies harboring strains of Pseudosuccinea columella resistant and susceptible to Fasciola hepatica miracidial infection, in Pinar del Río Province, Cuba Alfredo Gutiérrez, Dagmar F Hernandez, Jorge Sánchez PAGE: 725-727