Rabbit hemorrhagic disease virus 2, 2010–2023: a review of global detections and affected species
Journal of Veterinary Diagnostic Investigation,
Journal Year:
2024,
Volume and Issue:
36(5), P. 617 - 637
Published: June 19, 2024
Rabbit
hemorrhagic
disease
virus
2/genotype
GI.2
(RHDV2/GI.2;
Caliciviridae,
Lagovirus)
causes
a
highly
contagious
with
hepatic
necrosis
and
disseminated
intravascular
coagulation
in
several
Leporidae
species.
RHDV2
was
first
detected
European
rabbits
(
Oryctolagus
cuniculus)
France
2010
has
since
spread
widely.
We
gather
here
data
on
viral
detections
reported
various
countries
affected
species,
discuss
pathology,
genetic
differences,
novel
diagnostic
aspects.
been
almost
globally,
cases
Europe,
Africa,
Oceania,
Asia,
North
America
as
of
2023.
Since
2020,
large
scale
outbreaks
have
occurred
the
United
States
Mexico
and,
at
same
time,
for
time
previously
unaffected
countries,
such
China,
Japan,
Singapore,
South
among
others.
Detections
notified
domestic
wild
rabbits,
hares
jackrabbits
Lepus
spp.),
species
cottontail
brush
Sylvilagus
pygmy
Brachylagus
idahoensis),
red
rock
Pronolagus
spp.).
also
few
non-lagomorph
Detection
causing
RHD
spp.
other
than
those
genera
is
very
novel.
The
global
this
fast-evolving
RNA
into
unexploited
geographic
areas
increases
likelihood
host
range
expansion
new
are
exposed;
animals
may
be
infected
by
nonpathogenic
caliciviruses
that
all
which
recombination
occur.
Language: Английский
Detections of Rabbit Hemorrhagic Disease Virus 2 (RHDV2) Following the 2020 Outbreak in Wild Lagomorphs across the Western United States
Viruses,
Journal Year:
2024,
Volume and Issue:
16(7), P. 1106 - 1106
Published: July 10, 2024
Rabbit
hemorrhagic
disease
virus
2
(RHDV2)
is
a
highly
infectious,
often
fatal
viral
that
affects
both
domestic
and
wild
lagomorph
species.
In
the
United
States
(U.S.),
first
was
detected
in
populations
southwest
March
2020
has
continued
to
be
native
North
American
species
over
several
years.
The
susceptibility
of
host
exact
mechanisms
environmental
transmission
across
U.S.
landscape
remain
poorly
understood.
Our
study
aims
increase
understanding
RHDV2
by
providing
history
detection.
We
present
summarize
results
from
all
RHDV2-suspect
morbidity
mortality
samples
submitted
for
diagnostic
testing
2024.
Samples
were
916
lagomorphs
eight
14
western
states,
which
313
(34.2%)
tested
positive
RT-qPCR.
Detections
pygmy
rabbits
(Brachylagus
idahoensis)
riparian
brush
(Sylvilagus
bachmani
riparius)
suggest
risk
threatened
endangered
warrants
more
attention.
Continuing
investigate
events
tracking
detections
time
can
help
inform
on
epidemiology
population
trends.
Language: Английский
High Mortality of Wild European Rabbits during a Natural Outbreak of Rabbit Haemorrhagic Disease GI.2 Revealed by a Capture-Mark-Recapture Study
Transboundary and Emerging Diseases,
Journal Year:
2023,
Volume and Issue:
2023, P. 1 - 9
Published: June 19, 2023
Rabbit
haemorrhagic
disease
virus
(RHDV)
GI.2
has
caused
significant
declines
in
the
abundance
of
wild
European
rabbits
(Oryctolagus
cuniculus),
contributing
to
species
being
recently
classified
as
“endangered”
its
native
range.
The
epidemiology
this
is
still
poorly
understood
despite
relevance
for
domestic
and
rabbits.
During
a
longitudinal
capture-mark-recapture
(CMR)
study
Iberian
rabbits,
O.
c.
algirus,
semiextensive
breeding
enclosure,
an
outbreak
RHDV
took
place
January-February
2022,
allowing
us
estimate
key
epidemiological
parameters
natural
outbreak.
From
April
2021
July
340
were
captured
466
times
individually
identified,
some
vaccinated
against
myxoma
(MYXV)
and/or
GI.2.
Sera
collected
tested
IgG
specific
MYXV
GI.2,
data
analyzed
using
multievent
CMR
models.
six
weeks
estimated
81.0%
(CI95
77.1–84.3%)
population
died.
Intensive
aboveground
searches
could
recover
189
carcasses
(50.5%
mortality,
CI95
41.8–63.4%),
with
detected
6/7
tested.
Apparent
seroprevalence
rose
from
15.4%
8.0–27.5%)
January
2022
87.9%
72.7–95.2%)
February
2022.
apparent
mortality
GI.2-seropositive
during
was
null,
while
seronegative
it
76.0%
53.8–90.3%).
Among
higher
unvaccinated
(100%)
than
(60.0
±
16.6%)
females
males
(52.0
17.1%).
Infected
burrows
might
explain
medium-term
persistence
following
Rabbits
antibodies
at
cutoff
seropositivity
fully
protected
fatal
infection.
Females
had
fatality
rate
males,
underscoring
impact
on
dynamics
endangered
species.
Language: Английский
Comment on Shah et al. Genetic Characteristics and Phylogeographic Dynamics of Lagoviruses, 1988–2021. Viruses 2023, 15, 815
Viruses,
Journal Year:
2024,
Volume and Issue:
16(6), P. 927 - 927
Published: June 7, 2024
Shah
and
colleagues
[...]
Language: Английский
New Insights into Rabbit Viral Diseases
Viruses,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1521 - 1521
Published: Sept. 26, 2024
Viruses
are
responsible
for
many
devastating
rabbit
diseases
that
impact
their
health
and
welfare
put
conservation
economic
revenue
at
risk
[...]
Language: Английский