J O Hassan

Development and evaluation of an experimental vaccination program using a live avirulent Salmonella typhimurium strain to protect immunized chickens against challenge with homologous and heterologous Salmonella serotypes

J O Hassan, R Curtiss · Infection and Immunity · 1994 · 144 citations · Full text

Agriculture, Microbiology, Poultry Science +17

Effect of vaccination of hens with an avirulent strain of Salmonella typhimurium on immunity of progeny challenged with wild-Type Salmonella strains

J O Hassan, Roy Curtiss · Infection and Immunity · 1996 · 100 citations · Full text

Agriculture, Immunology, Poultry Science +17

Efficacy of a Live Avirulent Salmonella typhimuriun Vaccine in Preventing Colonization and Invasion of Laying Hens by Salmonella typhimurium and Salmonella enteritidis

J O Hassan, Roy Curtiss · Avian Diseases · 1997 · 100 citations

Agriculture, Microbiology, Poultry Science +17

Reduction in faecal excretion of<i>Salmonella typhimurium</i>strain F98 in chickens vaccinated with live and killed<i>S. typhimurium</i>organisms

Paul Barrow, J O Hassan, Ângelo Berchieri · Epidemiology and Infection · 1990 · 95 citations · Full text

Agriculture, Microbiology, Poultry Science +10

Control of colonization by virulent Salmonella typhimurium by oral immunization of chickens with avirulent Δcya Δcrp S. typhimurium

J O Hassan, R Curtiss · Research in Microbiology · 1990 · 93 citations

Agriculture, Microbiology, Poultry Science +15