Avian metapneumoviruses expressing Infectious Bronchitis virus genes are stable and induce protection

M Falchieri, C Lupini, M Cecchinato, E Catelli… - Vaccine, 2013 - Elsevier
The study investigates the ability of subtype A Avian metapneumovirus (AMPV) to accept
foreign genes and be used as a vector for delivery of Infectious bronchitis virus (IBV) QX …

The efficacy of an avian metapneumovirus vaccine applied simultaneously with infectious bronchitis and Newcastle disease virus vaccines to specific-pathogen-free …

I Tarpey, MB Huggins, SJ Orbell - Avian diseases, 2007 - meridian.allenpress.com
Avian metapneumovirus (aMPV), Newcastle disease virus (NDV), and infectious bronchitis
virus (IBV) are important respiratory pathogens of chickens. To achieve early posthatch …

Avian metapneumovirus subtype B vaccination in commercial broiler chicks: Heterologous protection and selected host transcription responses to subtype A or B …

C Ball, B Manswr, A Herrmann, S Lemiere… - Avian …, 2022 - Taylor & Francis
Avian metapneumovirus (aMPV) causes respiratory disease and drops in egg production in
chickens, and is routinely controlled by vaccination. However, the host's immune response …

Vaccination of chicks with live attenuated subtype B avian metapneumovirus vaccines: protection against challenge and immune responses can be unrelated to …

K Ganapathy, RC Jones - Avian diseases, 2007 - meridian.allenpress.com
Live attenuated subtype B avian metapneumovirus (aMPV) vaccines from two different
commercial sources (Vac 1 and Vac 2) were used to vaccinate two groups of day-old …

Reversion to virulence of a subtype B avian metapneumovirus vaccine: is it time for regulators to require availability of vaccine progenitors?

M Cecchinato, E Catelli, C Lupini, E Ricchizzi… - Vaccine, 2014 - Elsevier
Empirically derived live avian metapneumovirus (AMPV) vaccines developed during the late
80s and early 90s have generally performed well in controlling turkey rhinotracheitis …

Field avian metapneumovirus evolution avoiding vaccine induced immunity

E Catelli, C Lupini, M Cecchinato, E Ricchizzi, P Brown… - Vaccine, 2010 - Elsevier
Live avian metapneumovirus (AMPV) vaccines have largely brought turkey rhinotracheitis
(TRT) under control in Europe but unexplained outbreaks still occur. Italian AMPV …

Mucosal vaccination with formalin-inactivated avian metapneumovirus subtype C does not protect turkeys following intranasal challenge

DR Kapczynski, LL Perkins, HS Sellers - Avian diseases, 2008 - meridian.allenpress.com
Studies were performed to determine if mucosal vaccination with inactivated avian
metapneumovirus (aMPV) subtype C protected turkey poults from clinical disease and virus …

Development of a virosome vaccine against avian metapneumovirus subtype C for protection in turkeys

DR Kapczynski - Avian diseases, 2004 - meridian.allenpress.com
An avian metapneumovirus (aMPV) virosome vaccine was prepared and tested for
protection of turkeys by aMPV challenge. The vaccine was produced using a detergent …

Avian metapneumovirus excretion in vaccinated and non-vaccinated specified pathogen free laying chickens

M Hess, M B. Huggins, R Mudzamiri, U Heincz - Avian Pathology, 2004 - Taylor & Francis
Vaccinated and non-vaccinated specified pathogen-free White Leghorn laying chickens
were challenged at peak of lay by the intravenous or oculonasal route with a virulent avian …

Avian metapneumovirus SH gene end and G protein mutations influence the level of protection of live-vaccine candidates

CJ Naylor, R Ling, N Edworthy… - Journal of general …, 2007 - microbiologyresearch.org
A prototype avian metapneumovirus (AMPV) vaccine (P20) was previously shown to give
variable outcomes in experimental trials. Following plaque purification, three of 12 viruses …