Ecotoxicology and Environmental Safety,
Год журнала:
2022,
Номер
241, С. 113740 - 113740
Опубликована: Июнь 6, 2022
Air
and
surface
contamination
of
the
SARS-CoV-2
have
been
reported
by
multiple
studies.
However,
evidence
is
limited
for
change
environmental
this
virus
in
surrounding
patients
with
COVID-19
at
different
time
points
during
course
disease
under
conditions
patients.
Therefore,
study
aims
to
understand
risk
factors
associated
appearance
through
period
when
were
staying
isolation
wards.
In
study,
admitted
wards
followed
up
10
days
daily
collection
air
samples
their
surroundings.
The
positivity
rate
locations
was
plotted,
multi-level
mixed-effect
logistic
regressions
used
examine
association
between
health
factors.
It
found
6.6
%
(133/2031
samples)
2.1
(22/1075
positive,
reached
peak
2-3
after
admission
ward.
more
likely
present
bedrail,
patients'
personal
items
medical
equipment,
while
less
be
detected
outside
range
2
m
from
also
revealed
that
higher
lower
temperature,
fever
cough
day
sampling,
Ct
values
latest
test
respiratory
tract
samples,
pre-existing
or
cardiovascular
conditions.
finding
can
guide
hospital
infection
control
strategies
identifying
high-risk
areas
Extra
hygiene
precautions
equipment
continuously
disinfection
these
reduce
infection.
Briefings in Bioinformatics,
Год журнала:
2022,
Номер
23(4)
Опубликована: Июнь 12, 2022
Abstract
Motivation
The
control
of
the
diffusion
diseases
is
a
critical
subject
broad
research
area,
which
involves
both
clinical
and
political
aspects.
It
makes
wide
use
computational
tools,
such
as
ordinary
differential
equations,
stochastic
simulation
frameworks
graph
theory,
interaction
data,
from
molecular
to
social
granularity
levels,
model
ways
arise
spread.
coronavirus
disease
2019
(COVID-19)
perfect
testbench
example
show
how
these
models
may
help
avoid
severe
lockdown
by
suggesting,
for
instance,
best
strategies
vaccine
prioritization.
Results
Here,
we
focus
on
discuss
some
graph-based
epidemiological
their
significantly
improve
spreading
control.
We
offer
examples
related
recent
COVID-19
pandemic
generalize
them
other
diseases.
Eco-Environment & Health,
Год журнала:
2022,
Номер
1(2), С. 73 - 85
Опубликована: Июнь 1, 2022
Since
December
2019,
the
2019
coronavirus
disease
(COVID-19)
outbreak
has
become
a
global
pandemic.
Understanding
role
of
environmental
conditions
is
important
in
impeding
spread
COVID-19.
Given
that
airborne
and
contact
transmission
are
considered
main
pathways
for
COVID-19,
this
narrative
review
first
summarized
temperature
humidity
trajectory
severe
acute
respiratory
syndrome
2
(SARS-CoV-2).
Meanwhile,
we
reviewed
persistence
virus
aerosols
on
inert
surfaces
how
SARS-CoV-2
affected
by
humidity.
We
also
examined
existing
epidemiological
evidence
addressed
limitations
these
studies.
Although
uncertainty
remains,
more
may
support
idea
high
slightly
negatively
associated
with
COVID-19
growth,
while
conclusion
still
conflicting.
Nonetheless,
appears
to
have
been
controlled
primarily
government
interventions
rather
than
factors.
Journal of the Air & Waste Management Association,
Год журнала:
2023,
Номер
73(6), С. 434 - 461
Опубликована: Май 24, 2023
The
study
of
infectious
diseases
includes
both
the
progression
disease
in
its
host
and
how
it
transmits
between
hosts.
Understanding
transmission
is
important
for
recommending
effective
interventions,
protecting
healthcare
workers,
informing
an
public
health
response.
Sampling
environment
critical
to
since
can
provide
understanding
mechanisms
transmission,
characterization
contamination
hospitals
other
areas,
spread
a
within
community.
Measurements
biological
aerosols,
particularly
those
that
may
cause
disease,
have
been
ongoing
topic
research
decades,
so
wide
variety
technological
solutions
exist.
This
field
possibilities
create
confusion,
when
different
approaches
yield
answers.
Therefore,
guidelines
best
practice
this
area
are
allow
more
use
data
decisions.
review
examines
air,
surface
water/wastewater
sampling
methods,
with
focus
on
aerosol
sampling,
goal
designing
implementing
systems
incorporate
multiple
strategies.
accomplished
by
developing
framework
evaluating
strategy,
reviewing
current
practices
emerging
technologies
analysis,
disease.
Abstract
Background
A
SARS-CoV-2
outbreak
with
an
attack
rate
of
14.3%
was
reported
at
a
plastics
manufacturing
plant
in
England.
Methods
Between
23
rd
March
and
13
th
May
2021,
the
COVID-OUT
team
undertook
comprehensive
investigation,
including
environmental
assessment,
surface
sampling,
molecular
serological
testing,
detailed
questionnaires,
to
identify
potential
transmission
routes,
workplace-
worker-related
risk
factors.
Results
While
ventilation,
indicated
using
real-time
CO
2
proxy
measures,
generally
adequate
on-site,
technical
office
highest
localized
(21.4%)
frequently
reached
peaks
2100ppm.
RNA
found
low
levels
(Ct
≥35)
samples
collected
across
site.
High
noise
(79dB)
were
recorded
main
production
area,
study
participants
having
close
work
contacts
(73.1%)
sharing
tools
(75.5%).
Only
20.0%
surgical
mask
and/or
FFP2/FFP3
respirator
least
half
time
71.0%
expressed
concerns
regarding
pay
decreases
unemployment
due
self-isolation
or
workplace
closure.
Conclusions
The
findings
reinforce
importance
enhanced
infection
control
measures
sectors,
improved
ventilation
possible
consideration
monitoring,
utilising
air
cleaning
interventions
enclosed
environments,
provision
good-quality
face
masks
(i.e.,
respirators)
especially
when
social
distancing
cannot
be
maintained.
Further
research
on
impacts
job
security-related
is
warranted.
