CONTENTS Number 1 G. Sniper Ill, K. S. Coars, Natural bovine lentivirus type | infection in Holstein W. Srorts, K. F. Graves, dairy cattle. II. Lymphoid tissue lesions R. Cooper, P. G. Hoyt, G. LuTHer and B. F. JENNY . Cutert, S. Takai, L. Moscati, A serological survey of Rhodococcus equi infection in . Battistacci, C. PrERAMATI and foals in central Italy: comparison of two antigens using VALENTE an ELISA test GONZALEZ-REY, A.-M. BELIN, RAPD-PCR and PFGE as tools in the investigation of an JORBECK, M. NORMAN, outbreak of beta-haemolytic Streptococcus group A in a Krovacek, B. HENRIQUES, Swedish hospital OAOrNn<FZ AN KALLENIUS and S. B. SVENSON B. DeERA-TOMASZEWSKA, Hsp60 specific antibodies in egg yolks from laying hens J. Wysocki, D. KUNIKOWSKA, naturally infected with Salmonella enterica subspecies H. Dziapziuszko and R. GLOsNicKA enterica serovar Enteritidis A. K. Trwari, R. S. Kataria, Differentiation of infectious bursal disease viruses by INDERVESH, N. PRasap and R. Gupta restriction enzyme analysis of RT-PCR amplified VP1 gene sequence K. A. Berrecnem, L. BeuTin, Serotypes of Escherichia coli isolated from healthy K. Greer, J. L. Pearce, infants in Berlin, Germany and Melbourne, Australia R. K. J. Luke and S. ZIMMERMANN P. K. Sanoo and S. C. MUKHERJEE Immunomodulation by dietary vitamin C in healthy and aflatoxin B,-induced immunocompromised rohu (Labeo rohita) Number 2 1. E. Arapais, W. L. Smiru, 77 A multiplex PCR for simultaneous detection and differ- B. I. OspurN and J. S. CULLOR entiation of North American serotypes of bluetongue and epizootic hemorrhagic disease viruses T. G. Sniper Ill, P. G. Hoyt, Natural bovine lentiviral type | infection in Holstein K. S. Coats, K. F. Graves, dairy cattle. I. Clinical, serological, and pathological C. R. Cooper, R. W. Srorts, observations D. G. LuTHer and B. F. Jenny J. E. Fotey, C. M. LEUTENEGGER, Evidence for modulated immune response to Anaplasma J. STEPHEN DuMLeR, N. C. PEDERSEN phagocytophila sensu lato in cats with FIV—induced and J. E. MADIGAN immunosuppression . ISHIKAWA, K. SuHipuya, K. Yasut, Expression ef hepatitis C virus core protein associated . Miramura and S. UEDA with malignant lymphoma in transgenic mice . Ontsut, R. ZeENITANI, T. BANDO, Pathological and serological evidence of Brucella—in- . Goro, K. Ucuipa, T. MARUYAMA, fection in baleen whales (Mysticeti) in the western . YAMAMOTO, N. MiyAZaki and North Pacific . PUJISE . UNGAR-Waron, R. YAGIL, Reactions of peripheral blood mononuclear cells (PBMC) J. BRENNER, R. Paz, N. PArtosi, of camels with monoclonal antibodies against ruminant C. VAN CREVELD, E. LUBASHEVSKY leukocytes and Z. TRAININ Number 3 G. DoNnELLI, C. FIORENTINI, 145 Evidence for cytoskeletal changes secondary to plasma P. MATARRESE, L. FALZANO, membrane functional alterations in the in vitro cell R. CaRDINES, P. MASTRANTONIO, response to Clostridium perfringens epsilon-toxin D. W. Payne and R. W. TITBALL A. MENON, M. L. SHROYER, 57 In vitro study of Listeria monocytogenes infection to J. L. Wampcer, C. B. CHAWAN and murine primary and human transformed B cells A. K. BHUNIA J. Bu, Y. SonG, G. RomPATO, 5 Co-delivery of IL-2 or liposomes augment the responses D . J. BurGess and A. E. GARMENDIA of mice to a DNA vaccine for pseudorabies virus [E180 A. M. Levy, I. Davipson, Major histocompatibility complex class I is downregu- S. C. BurGess and E. D. HELLER lated in Marek’s disease virus infected chicken embryo fibroblasts and corrected by chicken interferon . Swain, S. K. Nayak, A. SAHU, High antigenic cross-reaction among the bacterial species . K. MEHER and B. K. MISHRA responsible for diseases of cultured freshwater fishes and strategies to overcome it for specific serodiagnosis Number 4 G . M. BHOPALE 213 Pathogenesis of toxoplasmosis A . B. Macura, 223 Susceptibility to fungal infections of nails in patients with A . MacurA-BIEGUN and B. PAWLIK primary antibody deficiency L. M. Pincuuk, B. L. Boyp, 233 Bovine dendritic cells generated from monocytes and E. F. KruGer, I. Ropiti and bone marrow progenitors regulate immunoglobulin A . FURGER production in peripheral blocd B cells H . M. WAGNER, 251 The serologic response of horses to equine arteritis virus U . B. R. BALAsurtya and as determined by competitive enzyme-linked immuno- N . J. MaAcLACHLAN sorbent assays (c-ELISAs) to structural and non-struc- tural viral proteins . P. Rat, K. ZACHARIAH, Pneumococcal antigen detection in cerebrospinal fluid: a SHARMA, S. PHADKE and comparative study on counter immunoelectrophoresis, AP. RM.A BELAPURKAR latex agglutinaiion and coagglutination J. Hostetrer, E. STEADHAM, Phagosomal maturation and intracellular survival of J. Haynes, T. BaiLey and Mycobacterium avium subspecies paratuberculosis in N. CHEVILLE J774 cells Patents ALERT Numbers 5/6 C. PILET 289 Editorial H. Bazin 291 Introduction H. Bazin 293 A brief history of the prevention of infectious diseases by immunisations H. TAKAHASHI 309 Antigen presentation in vaccine development C. LECLERC New approaches in vaccine development P.-P. PAsTORET and Poxviruses as vaccine vectors A. VANDERPLASSCHEN A.-L. Puaux and M.-L. MICHEL New gene-based approaches for an AIDS vaccine H. J. Dean, D. FULLER and J. E. Powder and particle-mediated approaches for delivery of Osorio DNA and protein vaccines into the epidermis P. B. CARTER and L. E. CARMICHAEL Modern veterinary vaccines and the Shaman’s apprentice P. Binper, O. AtrTre, J. P. Boutin, Medical management of biological warfare and J. D. Cavaco, T. Deporp, A. JouAN bioterrorism: place of the immunoprevention and the and D. VipaL immunotherapy A. Mayr Smallpox vaccination and bioterrorism with pox viruses J. BLancou and J. E. PEARSON Bioterrorism and infectious animal diseases Patents ALERT