Efficient Direct and Limited Environmental Transmission of SARS-CoV-2 Lineage B.1.22 in Domestic Cats
Microbiology Spectrum,
Год журнала:
2023,
Номер
11(3)
Опубликована: Май 24, 2023
The
susceptibility
of
domestic
cats
to
infection
with
SARS-CoV-2
has
been
demonstrated
by
several
experimental
studies
and
field
observations.
We
performed
an
extensive
study
further
characterize
the
transmission
between
cats,
through
both
direct
indirect
contact.
To
that
end,
we
estimated
rate
parameter
decay
for
infectivity
in
environment.
Using
four
groups
pair-transmission
experiment,
all
donor
(inoculated)
became
infected,
shed
virus,
seroconverted,
while
three
out
contact
got
two
those
seroconverted.
One
eight
exposed
a
SARS-CoV-2-contaminated
environment
infected
but
did
not
seroconvert.
Statistical
analysis
data
gives
reproduction
number
Язык: Английский
Web-based real-time risk assessment of coronavirus disease 2019 infection in schools and social dining settings
New Microbes and New Infections,
Год журнала:
2025,
Номер
65, С. 101600 - 101600
Опубликована: Май 20, 2025
Язык: Английский
Forecasting the transmission trends of respiratory infectious diseases with an exposure-risk-based model at the microscopic level
Environmental Research,
Год журнала:
2022,
Номер
212, С. 113428 - 113428
Опубликована: Май 12, 2022
Язык: Английский
Modelling aerosol-based exposure to SARS-CoV-2 by an agent based Monte Carlo method: Risk estimates in a shop and bar
PLoS ONE,
Год журнала:
2021,
Номер
16(11), С. e0260237 - e0260237
Опубликована: Ноя. 22, 2021
Present
day
risk
assessment
on
the
spreading
of
airborne
viruses
is
often
based
classical
Wells-Riley
model
assuming
immediate
mixing
aerosol
into
studied
environment.
Here,
we
improve
this
approach
and
underlying
assumptions
by
modeling
space-time
dependency
concentration
via
a
transport
equation
with
dynamic
source
term
introduced
infected
individual(s).
In
present
agent-based
methodology,
study
viral
inhalation
exposure
in
two
scenarios
including
low/high
scenario
“supermarket”/“bar”.
The
takes
account
typical
behavioral
patterns
for
determining
rules
motion
agents.
We
solve
diffusion
prescribed
environments
order
to
local
inhalation.
assess
infection
using
formula
dependent
concentration.
results
are
compared
against
model.
indicate
features
that
explain
individual
cases
high
repeated
sampling
heterogeneous
environment
occupied
non-equilibrium
clouds.
An
example
relative
frequency
might
be
called
superspreading
events
depending
parameters.
A
simple
interpretation
averages
misleading.
They
also
point
out
qualitative
quantitative
difference
between
cases—shopping
typically
safer
single
person.
Язык: Английский
Overview of the Role of Spatial Factors in Indoor SARS-CoV-2 Transmission: A Space-Based Framework for Assessing the Multi-Route Infection Risk
International Journal of Environmental Research and Public Health,
Год журнала:
2022,
Номер
19(17), С. 11007 - 11007
Опубликована: Сен. 2, 2022
The
COVID-19
pandemic
has
lasted
from
2019
to
2022,
severely
disrupting
human
health
and
daily
life.
combined
effects
of
spatial,
environmental,
behavioral
factors
on
indoor
spread
their
interactions
are
usually
ignored.
Especially,
there
is
a
lack
discussion
the
role
spatial
in
reducing
risk
virus
transmission
complex
diverse
environments.
This
paper
endeavours
summarize
involved
transmission.
process
release,
transport,
intake
SARS-CoV-2
was
reviewed,
six
routes
according
distance
exposure
way
were
classified.
triangular
relationship
between
environmental
occupant
parameters
during
discussed.
detailed
droplet-based,
surface-based
air-based
processes
viability
summarized.
We
found
that
layout,
public-facility
design
openings
have
significant
indirect
impact
distribution
by
affecting
behavior,
airflow
field
stability.
proposed
space-based
multi-route
infection
assessment
framework,
which
3D
building
model
containing
information,
behavior
model,
virus-spread
infection-risk
calculation
linked
together.
It
also
applicable
other,
similar,
respiratory
infectious
diseases
such
as
SARS,
influenza,
etc.
study
contributes
developing
building-level,
models,
could
help
practitioners
make
better
decisions
improve
building's
epidemic-resistance
performance.
Язык: Английский
Using pedestrian modelling to inform virus transmission mitigation policies: A novel activity scheduling model to enable virus transmission risk assessment in a restaurant environment
Physica A Statistical Mechanics and its Applications,
Год журнала:
2023,
Номер
633, С. 129395 - 129395
Опубликована: Ноя. 22, 2023
The
Covid-19
pandemic
has
had
a
large
impact
on
the
world.
virus
spreads
especially
easily
among
people
in
indoor
spaces
such
as
restaurants.
Hence,
tools
that
can
assess
how
different
restaurant
settings
potential
spread
of
an
airborne
and
effectiveness
mitigation
policies
are
high
value.
Microscopic
pedestrian
models
provide
necessary
to
detailed
movements
with
risk
transmission.
This
paper
presents
application
microscopic
model,
including
novel
activity
choice
scheduling
transmission
risks
Simulation
experiments
identify
factors
restaurant.
Contacts
between
staff
customers
driving
factor
for
whereby
big
risk.
focussing
these
interactions
preventing
from
transmitting
be
highly
effective.
results
also
show
layouts
setups
lead
distinctly
risks.
Therefore,
insights
obtained
simulating
one
cannot
just
transferred
any
other
Together,
added
value
disease
modelling
exercises
mitigate
caused
by
virus.
However,
research
shows
that,
better
utilize
modelling,
future
behaviour
is
necessary.
Язык: Английский
Modelling indoor airborne transmission combining architectural design and people movement using the VIRIS simulator and web app
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 15, 2024
Abstract
A
Viral
Infection
Risk
Indoor
Simulator
(VIRIS)
has
been
developed
to
quickly
assess
and
compare
mitigations
for
airborne
disease
spread.
This
agent-based
simulator
combines
people
movement
in
an
indoor
space,
viral
transmission
modelling
detailed
architectural
design,
it
is
powered
by
topologicpy,
open-source
Python
library.
VIRIS
generates
very
fast
predictions
of
the
concentration
spatiotemporal
infection
risk
individuals
as
they
move
through
a
given
space.
The
validated
with
data
from
courtroom
superspreader
event.
sensitivity
study
unknown
parameter
values
also
performed.
We
several
non-pharmaceutical
interventions
(NPIs)
issued
UK
government
guidance,
two
settings:
care
home
supermarket.
Additionally,
we
have
user-friendly
web
app
that
allows
quick
exploration
diverse
scenarios
interest
visualisation,
allowing
policymakers,
architects
space
managers
easily
design
or
Язык: Английский