PozNews - HIV News - STD News: Study Finds Pfizer's Pneumonia, Meningitis Vaccine Protects Against Recurrent Pneumonia In HIV Patients Study Finds Pfizer's Pneumonia, Meningitis Vaccine Protects Against Recurrent Pneumonia In HIV Patients ================================================================================ Medical News Today on 05 March, 2010 05:00:00 Pfizer's Prevnar 7 vaccine, which protects against pneumonia and meningitis, has been shown to reduce the risk of recurrent pneumococcal infection in patients living with HIV in Malawi, according to a study published Thursday in the New England Journal of Medicine, Reuters reports...