World Journal of Experimental Medicine,
Год журнала:
2024,
Номер
14(4)
Опубликована: Окт. 29, 2024
As
identified
in
1936
by
Hans
Selye,
stress
is
shaping
diseases
through
the
induction
of
inflammation.
But
inflammation
display
some
yin
yang
properties.
On
one
hand
merging
with
innate
immune
response
aimed
to
fight
infectious
or
sterile
insults,
on
other
favors
chronic
physical
psychological
disorders.
Nature
has
equipped
cells,
organs,
and
individuals
mediators
mechanisms
that
allow
them
deal
stress,
even
a
good
(eustress)
been
associated
homeostasis.
Likewise,
societies
planet
are
exposed
stressful
settings,
but
wars
global
warming
suggest
regulatory
poorly
efficient.
In
this
review
we
list
inducers
physiological
psychologic
societal
planetary
mention
great
number
parameters
which
affect
modulate
render
it
different
from
an
individual
another,
cellular
level
one.
The
cell,
organ,
individual,
society,
share
many
stressors
consequences
extremely
interconnected
ending
domino
effect
butterfly
effect.
Frontiers in Immunology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 16, 2025
Preclinical
animal
models
remain
essential
for
understanding
viral
pathogenesis
as
well
the
development
and
assessment
of
vaccines
therapeutic
strategies.
It
is
extremely
important,
particularly
immunological
studies,
to
understand
species
differences
limitations
both
from
immune
standpoints
(summarized
in
Table
1).
Much
has
been
learned
about
coronaviruses
(including
pivotal
earlier
studies
on
SARS-Co-V)
preclinical
which
shed
insights
responses
underlying
them
(reviewed
by
Collins
et
al).It
difficult
estimate
how
many
lives
saved
globally
during
pandemic,
but
approximately
1.5
million
were
WHO
European
Region
first
developed
tested
(1).
SARS-CoV-2
virus
pathology
complex
systemic
leading
challenges
best
model
it
preclinically
different
species.
A
lot
research
focussed
neutralizing
antibodies
response
against
their
apparent
rapid
diminution.
Previous
demonstrated
aberrant
inflammatory
responses,
elderly
obese
due
cytokine
release
syndrome
Chegni
al.
(2)).
Additionally,
was
shown
that
inflammation
can
occur
brain
even
mild
COVID-19
infection
non-human
primate
offering
an
initial
insight
into
other
organs,
not
just
lungs,
are
affected
(3).Efforts
continue
make
more
similar
human
scenarios
modifying
genes
method
incorporating
factors
such
age,
obesity,
multiple
infections.
This
special
issue
covers
this
concept
increased
translatability
strategies
improve
vaccines.One
mouse
difference
ACE2,
a
receptor
uses
enter
cells.
Initial
using
K18-hACE2
transgenic
enabled
with
SARS-CoV-2,
however
its
broader
expression
representative
clinical
scenario
leads
severe
wider-spread
(4)(5)(6)(7)(8).
Fine-tuning
model,
Liu
al
introduced
ACE2
TMPRSS2
replace
orthologous
gene
loci
under
control
respective
murine
promoters
(9).
investigation
(with
peak
load
at
dpi
4)
longer-term
useful
long-term
effects
memory.A
novel
low
inoculum
also
study
lacked
active
replication
present
neuroinvasive
(10).
majority
cases
because
very
rare
find
protein
parenchyma
(11).
Despite
lack
brains
SARS-CoV-2-infected
K18-hACE2-tg
mice,
there
elevated
proinflammatory
cytokines
increase
microglia
reactivity
indicating
indirect
activation
(10).Intriguingly,
quite
early
interesting
phenomenon
emerged-the
BCG
vaccine
associated
protection
(12).
However,
replicated
randomized
controlled
trials
(13,14).
Due
prevalence
health
impact
tuberculosis,
co-infection
important
issue.
Williams
investigated
mice
M.
tuberculosis
SARS-CoV-2.
Counter-intuitively,
actually
had
reduced
mortality
rate
(15).
The
authors
found
high
levels
including
TNF
IFN-γ
vivo
vitro
PBMCs
epithelial
cells
suggesting
activated
innate
pathways
lead
broad
protective
antiviral
(15).It
efficiency
optimize
delivery,
timing,
targets,
adjuvants
especially
since
periodic
immunizations
now
recommended
persistent
generation
new
variants.
While
emphasis
literature
antibodies,
generating
strong
T
cell
immunity
although
precise
roles
poorly
understood
understudied
(16,17).
Therefore,
B
epitopes
promising
strategy
Prakash
(18).
Other
include:
intranasal
delivery
i.e.
needle-free
all
advantages
stimulating
mucosal
Zhou
(19);
coupling
stimulation
(CCL20/MIP-3α)
Gordy
(20);
stabilizing
spike
trimer
robust
Avila-Nieto
(21).
Song
went
step
beyond
most
usually
do
look
than
one
administration
or
regimen
heterologous
boost
resulted
antibody
production
(22).
These
types
given
paucity
assessing
repeated
vaccinations
components
means
further
them.It
note
have
advantage
controlling
numerous
variables
(outbred
diverse
populations,
sex,
prior
pathogen
exposure,
etc)
(summary
pros
cons
Added
these
regarding
tissue
assays
available,
studies.
modelling
offers
ability
allow
thorough
mechanistic
dissection
reviewed
(23).
emergence
chronic
symptoms
after
infection,
post-acute
sequelae
(PASC),
highlight
importance
determine
mechanisms
involved.
marked
changes
arise
normal
aging
necessitate
area
populations
risk
poor
outcome
following
(24).
Given
tremendous
heterogeneity
population
along
need
continuous
consideration
needs
be
undertaken
result
greatest
efficacy
minimal
adverse
over
time.
PLoS ONE,
Год журнала:
2025,
Номер
20(2), С. e0317009 - e0317009
Опубликована: Фев. 6, 2025
A
high
number
of
SARS-CoV-2
infections
are
mild,
often
even
asymptomatic.
Because
specificity
and
sensitivity,
RT-PCR
is
considered
the
gold-standard
for
COVID-19
testing.
The
technology
played
a
key
role
in
detecting
sources
infection
at
an
early
stage
therefore
preventing
larger
outbreaks.
This
was
especially
important
case
critical
infrastructure,
such
as
hospitals.
Until
now,
comprehensive
studies
concerning
impact
high-frequency
PCR-testing
German
tertiary
care
hospitals
during
pandemic
lacking.
We
analyzed
about
285.000
oral
swab
probes
3.421
healthcare-workers
RNA
positivity
between
November
2020
February
2023.
Our
data
show
that
frequent
useful
tool
surveillance.
Due
to
longitudinal
character
study,
we
were
able
observe
variant-specific
differences.
For
example,
omicron-variant
led
reinfection-rates
well
lower
Ct-values.
Nevertheless,
reinfection
rates
our
hospital
much
compared
other
healthcare-worker
cohorts
described
literature,
which
again
attributable
testing-regime
implemented
phase
pandemic.
further
reveal
longer
infection-duration
elderly
younger
individuals.
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
ABSTRACT
Background
Vaccination
campaigns
were
rolled
out
primarily
to
limit
the
impact
of
COVID-19
on
severe
health
outcomes,
including
mortality.
Aim
We
aimed
estimate
number
averted
deaths
by
vaccination
in
Belgian
population
aged
65
years
and
older,
between
January
2021
2023.
Methods
Nationwide
data
infections,
vaccine
administrations
all-cause
mortality
individually
linked.
estimated
Vaccine
Effectiveness
against
(VE)
among
persons
having
received
a
dose
last
6
months,
using
Cox
proportional
hazards
model
adjusted
for
age,
sex,
time
since
vaccination,
previous
infection,
underlying
conditions,
province
income.
death
was
defined
as
person
with
laboratory-confirmed
SARS-CoV-2
infection
who
died
within
specified
interval.
Based
obtained
VE
estimates,
coverage
national
data,
we
deaths.
Results
(0-59
days
after
vaccination)
65-79
year
≥80
year-olds
respectively,
at
81.9%
(78.1%-85.1%)
74.7%
(71.2%-77.7%)
during
Alpha,
90.5%
(88.8%-91.9%)
91.4%
(90.4%-
92.4%)
Delta
84.0%
(81.8%-85.9%)
74.5%
(72.4%-76.5%)
Omicron
period.
Among
12,806
(11,633-
13,982),
representing
54%
reduction
(51%-56%)
expected
(without
vaccination).
During
period
reduced
68%,
Alpha
31%.
Discussion
Vaccinating
underscoring
importance
vaccines
reducing
Journal of Global Health,
Год журнала:
2025,
Номер
15
Опубликована: Фев. 13, 2025
Viral
mutations
and
immune
dysfunction
still
lead
to
recurrent
infections
of
COVID-19
in
cancer
patients.
Our
aim
this
study
was
explore
the
differences
cumulative
risk
death
from
different
types
characterise
clinical
demographic
factors
associated
with
death.
We
conducted
a
population-based
using
National
Cancer
Database,
which
included
all
types.
calculated
age-standardised
mortality,
mortality.
Further,
we
employed
multivariate
competing
analysis
calculate
5.3%
patients
suffered
The
highest
mortality
chronic
lymphocytic
leukaemia,
while
lung
bronchus
exhibited
lower
risk.
Notably,
years
diagnosis
independently
predict
hazard
ratios
(HR)
cancers
were
as
follows:
HR
=
1.29
(95%
confidence
interval
(CI)
1.20-1.40,
P
<
0.001),
colon
rectum
1.22
CI
1.16-1.29,
urinary
bladder
1.15-1.30,
non-Hodgkin
lymphoma
1.17
1.11-1.23,
kidney
1.15
1.06-1.24,
breast
1.11
1.06-1.16,
0.001).
Radiotherapy,
chemotherapy,
surgical
resection
did
not
significantly
correlate
revealed
burden
across
leukaemia
prostate
cancer,
had
Years
Based
on
results,
support
more
prompt
assessment
treatment
for
various
cancer.
Vaccines,
Год журнала:
2025,
Номер
13(3), С. 213 - 213
Опубликована: Фев. 21, 2025
Background:
A
decrease
in
governmental
vaccination
initiatives
and
diminishing
public
enthusiasm
for
vaccines
could
jeopardize
vaccine
uptake,
potentially
endangering
those
who
are
most
at
risk.
In
this
survey
study,
we
evaluated
the
current
acceptance
rates
of
newly
developed
monovalent
XBB1.5-adapted
COVID-19
among
kidney
transplant
recipients
dialysis
patients
Austria
Israel
identified
factors
influencing
acceptance.
Methods:
The
involved
a
total
656
aged
18
older
was
carried
out
from
20
November
to
21
December
2023,
Medical
University
Vienna,
Rabin
Center
Petah
Tikva,
Israel.
Logistic
regression
analysis
used
explore
relationships
between
variables
such
as
age,
gender,
country,
past
infection
status
severity,
renal
replacement
therapy,
education
level,
willingness
receive
annual
flu
vaccine.
Results:
showed
that
54%
63%
expressed
modified
main
hesitancy
due
concerns
about
potential
side
effects,
with
44%
53%
expressing
apprehension.
influenza
vaccine,
age
Austria,
were
key
predictors
greater
Conclusions:
This
study
more
than
50%
our
willing
adapted
Yet,
remained
significant
barrier
even
these
high-risk
groups,
despite
availability
an
updated
targeting
Omicron
subvariant
XBB1.5.