Transmission of Ovine Herpesvirus 2 from Asymptomatic Boars to Sows

3. Centers for Disease Control and Preven-tion. Management of patients with sus-pected viral hemorrhagic fever. MMWR Morb Mortal Wkly Rep. 1988;37(Suppl 3):1–16. 4. Holmes GP, McCormick JB, Trock SC, Chase RA, Lewis SM, Mason CA, et al. Lassa fever in the United States. Investiga-tion of a case and new guidelines for man-agement. N Engl J Med. 1990;323:1120–3. DOI: 10.1056/NEJM199010183231607 5. Johnson KM, Monath TP. Imported Lassa fever—reexamining the algorithms. N Engl J Med. 1990;323:1139–41. DOI: 10.1056/NEJM199010183231611 6. World Health Organization. Update on Lassa fever in West Africa. Wkly Epide-miol Rec. 2005;10:85–92. 7. Bausch DG, Rollin PE, Demby AH, Couli-baly M, Kanu J, Conteh AS, et al. Diagno-sis and clinical virology of Lassa fever as evaluated by enzyme-linked immunosor-bent assay, indirect fl uorescent-antibody test, and virus isolation. J Clin Microbiol. 2000;38:2670–7. 8. Crowcroft NS, Meltzer M, Evans M, Shet-ty N, Maguire H, Bahl M, et al. The public health response to a case of Lassa fever in London in 2000. J Infect. 2004;48:221–8. DOI: 10.1016/j.jinf.2003.11.009 9. Jahrling PB, Hesse RA, Eddy GA, Johnson KM, Callis RT, Stephen EL. Lassa virus infection of rhesus monkeys: pathogenesis and treatment with ribavirin. J Infect Dis. 1980;141:580–9.Address for correspondence: Daniel G. Bausch, Department of Tropical Medicine, Tulane School of Public Health and Tropical Medicine, SL-17, 1430 Tulane Ave, New Orleans, LA 70112, USA; email: dbausch@tulane.edu