International Journal of Public Health Research,
Год журнала:
2023,
Номер
13(2), С. 1707 - 1713
Опубликована: Сен. 3, 2023
There
has
been
growing
recognition
linking
spread
of
COVID-19
with
environmental
factors.
One
the
factors
robust
epidemiological
literature
supporting
its
role
in
diseases
is
housing
or
built
environment.
found
to
occur
mostly
at
homes
through
secondary
household
transmission.
As
most
people
spend
more
times
inside
during
pandemic,
remains
an
important
site
spread.
The
aim
this
study
examine
how
and
indoor
affect
transmission
COVID-19.
This
article
summarizes
involved
transmission,
including
from
contaminated
surfaces.
Indoor
be
likely
due
contact
close-contact
aerosol
a
crowded,
confined,
poorly
ventilated
environment,
related
poor
condition.
Whilst
surfaces
low
probability.
Based
on
review,
it
can
suggested
that
besides
existing
measures
avoiding
crowding,
close
contacts
proper
ventilation,
specific
standards
for
quality
control
condition
might
required.
Housing
public
health
issue
healthy
universal
concern.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(14), С. 5967 - 5977
Опубликована: Март 29, 2023
Recent
studies
showed
that
land
is
the
most
important
sink
for
microplastics
(MPs);
however,
limited
information
available
on
photoaging
processes
of
surface
MPs
are
exposed
to
air.
Herein,
this
study
developed
two
in
situ
spectroscopic
methods
systematically
explore
effect
air
humidity
MP
using
a
microscope
Fourier
transform
infrared
spectroscopy
and
laser
Raman
microscope,
which
were
equipped
with
control
system.
Polyethylene
microplastics,
polystyrene
poly(vinyl
chloride)
(PVC-MPs)
used
as
model
MPs.
Our
results
relative
(RH)
could
significantly
influence
oxygen-containing
moieties
generated
from
photo-oxidation,
especially
PVC-MPs.
As
RH
level
varied
10
90%,
decrease
photogenerated
carbonyl
group
an
increase
hydroxyl
observed.
This
be
attributed
involvement
water
molecules
production
groups,
subsequently
inhibited
generation.
Moreover,
adsorption
coexisting
contaminants
(i.e.,
tetracycline)
photoaged
exhibited
strong
dependence,
assigned
hydrogen
bonding
between
tetracycline
carbonyls
aged
hydroxyls.
reveals
ubiquitous
but
previously
overlooked
aging
route,
may
account
changed
physiochemical
properties
under
solar
irradiation.
The
continued
evolution
of
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
requires
persistent
monitoring
its
subvariants.
Omicron
subvariants
are
responsible
for
the
vast
majority
SARS-CoV-2
infections
worldwide,
with
XBB
and
BA.2.86
sublineages
representing
more
than
90%
circulating
strains
as
January
2024.
To
better
understand
parameters
involved
in
viral
transmission,
we
characterized
functional
properties
Spike
glycoproteins
from
BA.2.75,
CH.1.1,
DV.7.1,
BA.4/5,
BQ.1.1,
XBB,
XBB.1,
XBB.1.16,
XBB.1.5,
FD.1.1,
EG.5.1,
HK.3,
JN.1.
We
tested
their
capacity
to
evade
plasma-mediated
recognition
neutralization,
binding
angiotensin-converting
enzyme
(ACE2),
susceptibility
cold
inactivation,
processing,
well
impact
temperature
on
Spike-ACE2
interaction.
found
that
compared
early
wild-type
(D614G)
strain,
most
subvariants'
evolved
escape
neutralization
by
plasma
individuals
who
received
a
fifth
dose
bivalent
(BA.1
or
BA.4/5)
mRNA
vaccine
improve
ACE2
binding,
particularly
at
low
temperatures.
Moreover,
had
best
affinity
all
temperatures
tested.
processing
is
associated
inactivation.
Intriguingly,
was
significantly
growth
rates
humans.
Overall,
report
Spikes
newly
emerged
relatively
stable
resistant
present
improved
which
associated,
temperatures,
rates.IMPORTANCEThe
gave
rise
wide
range
variants
harboring
new
mutations
glycoproteins.
Several
factors
have
been
transmission
fitness
such
plasma-neutralization
whether
additional
could
be
importance
variants'
characterize
several
glycoprotein
presents
an
further
temperature.
interaction
strongly
rate,
such,
represent
another
parameter
affecting
transmission.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Янв. 6, 2024
Abstract
Although
the
relationship
between
environmental
factors,
such
as
weather
conditions
and
air
pollution,
COVID-19
case
fatality
rate
(CFR)
has
been
found,
impacts
of
these
factors
to
which
infected
cases
are
exposed
at
different
infectious
stages
(e.g.,
virus
exposure
time,
incubation
period,
or
after
symptom
onset)
still
unknown.
Understanding
this
link
can
help
reduce
mortality
rates.
During
first
wave
in
United
Kingdom
(UK),
CFR
varied
widely
among
four
countries
UK,
allowing
differential
be
assessed.
We
developed
a
generalized
linear
mixed-effect
model
combined
with
distributed
lag
nonlinear
models
estimate
odds
ratio
(i.e.,
temperature,
sunlight,
relative
humidity,
rainfall)
pollution
ozone,
$$N{O}_{2}$$
NO2
,
$$S{O}_{2}$$
S
$$CO$$
CO
$$P{M}_{10}$$
PM10
$$P{M}_{2.5}$$
2.5
)
using
data
March
26,
2020
September
15,
UK.
After
retrospectively
time
adjusted
was
estimated
back-projection
technique,
stepwise
selection
method
used
choose
best
based
on
Akaike
information
criteria
closeness
predicted
observed
values
CFR.
The
risk
death
reached
its
maximum
level
when
low
temperature
(6
°C)
occurred
1
day
before
(OR
1.59;
95%
CI
1.52–1.63),
prolonged
sunlight
duration
(11–14
h)
3
days
1.24;
1.18–1.30)
increased
(19
μg/m
onset
1.12;
1.09–1.16).
reopening,
many
will
identified
their
symptoms
appear.
findings
highlight
importance
designing
preventive
measures
against
severe
illness
considering
onset.
Inventions,
Год журнала:
2025,
Номер
10(1), С. 4 - 4
Опубликована: Янв. 15, 2025
Background:
More
effective
and
automated
techniques
for
disinfecting
elevator
push-buttons
currently
need
to
be
developed,
especially
given
that
they
are
frequently
touched
by
hundreds
of
individuals.
Methods:
An
automatic
push-button
disinfection
device
equipped
with
four
265
nm
ultraviolet-C
(UVC)
light-emitting
diode
(LED)
packages
has
been
developed
after
each
touch
reduce
the
risk
infection.
In
this
paper,
UVC
leakage
test,
LED
package
reliability
bacteria
efficiency
test
were
performed.
Results:
The
Staphylococcus
aureus
Escherichia
coli
can
reach
over
90%
in
10
s,
end
users
set
multiple
periods
light
their
circumstances.
is
safe
human
body
if
distance
exceeds
120
mm.
accelerated
aging
result
demonstrates
reliable
under
normal
operation
end-users
increase
time
compensating
irradiance
drop.
Conclusions:
provides
a
safe,
highly
efficient,
stable
solution
push-buttons.
International Journal of Environmental Health Engineering,
Год журнала:
2025,
Номер
14(2)
Опубликована: Май 1, 2025
Abstract
Aim:
This
study
investigates
the
association
between
meteorological
factors
(pressure,
humidity,
and
temperature)
with
COVID-19
hospitalization
mortality
in
Gonabad
city
of
Iran,
from
April
2019
to
January
2021.
aimed
prediction
weather
pattern’s
impact
on
monthly
trend
a
region
Iran.
Methods:
cases
data
were
collected
over
University
Medical
Science
registration
bank
Meteorological
Organization
2021,
respectively.
Multivariable
time
series
autoregressive
integrated
moving
average
(ARIMA)
models
correlation
multiplicative
was
used
for
forecast
incidence
combines
both
long-term
upward
pronounced
seasonal
pattern
cases,
Results:
Descriptive
analysis
revealed
that
highest
temperature
humidity
recorded
summer
autumn
2020,
Moreover,
coronary
peaks
occurrence
at
2020
(1059
cases)
(133
deaths),
Time-series
showed.
Seasonal
amplitude
indicates
regular
rise
fall
number
distinct
periods
(~10.73).
The
ARIMA
model
highlighted
fluctuations
closely
tied
changes
temperature.
Residual
standard
deviation
(1.62)
highlighting
presence
unaccounted
influencing
case
variability.
Conclusion:
significantly
influence
trends
are
need
public
health
strategies
consider
climatic
conditions.
Future
research
should
integrate
more
detailed
explore
additional
environmental
enhance
predictive
healthcare
planning.
