Immunization Newsletter, v.31, n.6, Dec. 2009

IN THIS ISSUE: Diphtheria Outbreak in Haiti, 2009; Evaluation of Bacterial Pneumonia and Meningitis Surveillance in Guatemala; Polio Laboratory Network; Aide:-memoire: Hepatitis B Immunization of Health Workers; Influenza A(H1N1): Technical Guidelines for Vaccination Against the Pandemic Influenza Virus