medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 4, 2024
Abstract
Importance
Existing
systematic
literature
reviews
(SLRs)
on
COVID-19
vaccine
effectiveness
(VE)
against
post-COVID-19
conditions
(PCC)
document
high
heterogeneity
across
studies,
but
have
not
compared
VE
design
features
known
to
impact
PCC
burden
or
other
endpoints.
Objective
This
SLR
summarizes
the
evidence
studies
among
predominately
adults
that
report
an
adjusted
measure
of
association
for
relationship
between
vaccination
and
PCC,
by
timing
relative
infection
PCC-onset
different
study
characteristics.
Evidence
review
A
comprehensive
search
strategy
was
developed
within
OVID
platform
EMBASE,
MEDLINE®
Evidence-Based
Medicine
reviews,
supplemented
with
WHO
COVID
library
Google
Scholar®
searches,
collate
published
posted
as
pre-prints
January
1
st
,
2020
July
18
th
2023.
JBI
Critical
Appraisal
Checklists
were
used
assess
each
study’s
risk
bias.
Findings
included
97
synthesized
results
from
56
low
bias
reported
measures
PCC.
Overall,
77%
pre-infection
(aVE)
estimates
(vs.
unvaccinated)
statistically
significant
(range:
7%–95%),
80%
reflecting
a
mix
those
vaccinated
before
after
62%–73%),
one
five
onset
(aVE=41%),
43%
post-infection
(two
protective
[range:
28%–40%]
[aVE=-47%]),
46%
specifying
(23
29%–75%]
[aVE=-132%]).
Statistically
aVE
slightly
higher
mRNA
14%–84%)
than
non-mRNA
vaccines
16%–38%)
ranges
during
(4
studies;
range:
10%–70%)
Omicron
predominance
(10
7%–50%)
overlapped.
Pre-infection
regardless
type,
number
doses
received,
definition,
predominant
variant,
severity
acute
infections
included.
Conclusions
Relevance
Collectively
our
findings
suggest
received
prior
SARS-CoV-2
reduces
subsequent
developing
variant
circulating.
Key
points
Question
Do
vary
onset,
type
disease
severity?
appeared
reduce
unvaccinated).
Compared
types,
seemed
offer
greater
protection,
dose
response
observed
vaccines.
Meaning
Despite
reduced
≥1
proportion
sample
hospitalized,
definition.
Human Vaccines & Immunotherapeutics,
Год журнала:
2025,
Номер
21(1)
Опубликована: Март 13, 2025
This
systematic
literature
review
summarizes
the
evidence
across
56
publications
and
pre-prints
(January
2020–July
2023)
with
low-risk
of
bias
based
on
JBI
critical
appraisal,
that
report
adjusted
estimates
for
relationship
between
COVID-19
vaccination
Post-COVID-19
Condition
(PCC)
by
timing
relative
to
infection
or
PCC-onset.
Comparisons
vaccine
effectiveness
(aVE)
against
≥1
PCC
(vs.
unvaccinated)
study
characteristics
known
impact
burden
VE
other
endpoints
were
possible
31
studies
where
preceded
infection.
Seventy-seven
percent
pre-infection
aVE
statistically
significant
(range:
7%–95%).
Statistically
slightly
higher
mRNA
14%–84%)
than
non-mRNA
vaccines
16%–38%)
ranges
before
during
Omicron
overlapped.
Our
findings
suggest
SARS-CoV-2
reduces
risk
regardless
type,
number
doses
received,
definition,
predominant
variant,
severity
acute
infections
included.
Journal of Clinical Medicine,
Год журнала:
2025,
Номер
14(7), С. 2305 - 2305
Опубликована: Март 27, 2025
The
first
Polish
recommendations
for
the
management
of
COVID-19
were
published
by
Society
Epidemiologists
and
Infectiologists
(PTEiLChZ)
on
31
March
2020,
last
three
years
ago.
emergence
new
SARS-CoV-2
variants,
a
different
course
disease,
as
well
knowledge
about
therapies
vaccines,
requires
updating
diagnostic,
therapeutic,
prophylactic
guidelines.
Despite
reduction
in
threat
associated
with
COVID-19,
there
is
risk
another
epidemic
caused
coronaviruses,
which
was
an
additional
reason
developing
version
In
preparing
these
recommendations,
Delphi
method
used,
reaching
consensus
after
survey
cycles.
Compared
to
2022
version,
names
individual
stages
disease
have
been
changed,
adapting
them
realities
clinical
practice,
attention
paid
differences
observed
immunosuppressed
patients
children.
Some
previously
recommended
drugs
discontinued,
including
monoclonal
antibodies.
addition,
general
principles
vaccination
presented,
issues
related
post-COVID
syndrome.
The Innovation Medicine,
Год журнала:
2025,
Номер
unknown, С. 100123 - 100123
Опубликована: Янв. 1, 2025
<p>Post-COVID
syndrome
(PCS)
is
a
debilitating
condition
that
affects
significant
number
of
COVID-19
survivors
worldwide.
PCS
characterized
by
persistent
symptoms
such
as
fatigue,
shortness
breath,
cognitive
impairment,
and
gastrointestinal
issues.
The
frequent
occurrence
has
prompted
researchers
to
investigate
the
role
gut
microbiota
in
development
progression
PCS.
This
review
synthesizes
findings
from
recent
studies,
providing
comprehensive
overview
changes
both
patients
patients.
Evidence
suggests
can
cause
lasting
alterations
microbiota,
marked
reduced
microbial
diversity,
an
increase
opportunistic
pathogens,
decrease
beneficial
bacteria
support
immune
metabolic
health.
In
addition,
host-microbe
interactions
gut-lung,
gut-brain,
gut-heart
axes
are
explored
understand
impact
microbes
on
systemic
Finally,
potential
diagnostic
therapeutic
strategies
for
discussed,
including
use
probiotics,
prebiotics,
fecal
transplantation
(FMT)
restore
balance
alleviate
symptoms.</p>
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(8), С. 3850 - 3850
Опубликована: Апрель 18, 2025
The
resolution
of
the
recent
COVID-19
pandemic
still
requires
attention,
since
consequences
having
suffered
infection,
even
in
mild
cases,
are
associated
with
several
acute
and
chronic
pathological
conditions
referred
to
as
post-COVID
syndrome
(PCS).
PCS
often
manifests
pulmonary
disease
and,
up
9%
a
more
serious
complication
known
post-COVID-19
fibrosis
(PC19-PF),
which
has
similar
clinical
course
idiopathic
(IPF).
Generating
knowledge
provide
robust
evidence
about
benefits
different
therapeutic
strategies
treat
effects
can
new
insights
amplify
options
for
these
patients.
We
present
found
after
scoping
review,
following
extended
PRIMSA
guidelines,
use
immunomodulators
PCS.
start
brief
description
immunomodulatory
properties
relevant
drugs,
their
clinically
proven
efficacy
viral
infections
inflammatory
conditions,
during
pandemic.
emphasize
need
well-designed
trials
improve
our
understanding
physiopathology
PC19-PF
also
determine
safety
candidate
treatments.
Health Expectations,
Год журнала:
2025,
Номер
28(3)
Опубликована: Май 8, 2025
ABSTRACT
Background
Limited
data
exists
regarding
long
Covid
burden
following
Omicron
infection
in
highly
vaccinated
populations.
Objective
To
(1)
characterise
prevalence
and
predictors
(2)
identify
key
symptom
clusters
their
correlates
among
patients,
during
an
Omicron‐predominant
period
a
population.
Design
Anonymous,
online,
cross‐sectional
survey.
Setting
January
2023,
Australia.
Participants
Residents
aged
≥
18
years
with
self‐reported
history
of
test‐positive
Covid‐19.
The
main
variables
studied
were
socio‐demographic
characteristics,
Covid‐19
risk
factors,
vaccination,
experiences
Covid.
Main
Outcome
Measures
Long
symptoms.
Symptom‐based
clustering
was
used
to
functional
correlates.
Predictors
occurrence
severity
assessed
using
multivariable
logistic
regression.
Results
Overall,
240/1205
participants
(19.9%)
reported
significantly
higher
for
women
OR
1.71
(95%
CI:
1.17–2.51),
people
comorbidities
2.19
1.56–3.08)
those
steroid
inhalers
treatment
(2.34
[95%
1.29–4.24]).
Long‐Covid
increased
increasing
(moderately
severe
symptoms:
2.23
1.50–3.30],
extremely
5.80
3.48–9.66],
presented
ED/hospitalised:
7.22
3.06–17.03]).
We
found
no
significant
difference
the
likelihood
between
pre‐Omicron
periods,
vaccination
status
participant
age.
identified
two
(pauci‐symptomatic,
n
=
170,
vs.
polysymptomatic,
66).
Polysymptomatic
cluster
membership
associated
worse
functioning
(impacts
on
work,
moderate
activity,
emotions
energy).
Severity
acute
strongly
predictive
polysymptomatic
(5.72
[2.04–17.58]).
Monoclonal
antibody
pauci‐symptomatic
(0.02
[0.00–0.13]).
Discussion
Our
study
shows
that
is
important
health
Australia,
including
era,
identifies
several
factors.
subgroup
patients
characterised
by
more
symptoms
outcomes.
findings
can
inform
policies
protecting
vulnerable
populations
frameworks
assessment
management.
Conclusions
One‐in‐five
may
suffer
after
infection,
similar
across
age
groups.
variants
appear
not
have
lower
compared
earlier
our
study.
A
cumulative
number
help
triage
patients.
Patient
or
Public
Contribution
did
involve
public
design
questionnaire.
However,
soft
launch,
we
revised
some
survey
questions
reviewing
early
responses
from
public.
Infectious Disease Reports,
Год журнала:
2025,
Номер
17(3), С. 56 - 56
Опубликована: Май 21, 2025
Background:
Since
the
emergence
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
in
December
2019,
long
COVID
(LC)
has
become
a
significant
global
health
burden.
While
knowledge
about
LC
is
accumulating,
studies
on
its
prevention
are
still
lacking.
Methods:
We
conducted
systematic
review
following
PRISMA
(Preferred
Reporting
Items
for
Systematic
Reviews
and
Meta-Analyses)
guidelines
to
investigate
options
LC.
identified
fifteen
articles
vaccines,
seven
antivirals,
six
other
interventions
after
searching
PubMed/MEDLINE
database
using
MeSH
terms.
Results:
Most
vaccine-related
demonstrated
protective
effect
COVID-19
vaccines
against
developing
Our
found
an
equivocal
while
metformin
had
outpatients
corticosteroids
were
hospitalized
patients
Conversely,
convalescent
plasma
multiple
micronutrient
supplement
did
not
confer
any
protection
Conclusions:
vaccination
vital
as
it
only
prevents
but
also
reduces
severity
illness
may
help
prevent
Further
warranted
shed
light
preventive
strategies
COVID.
Frontiers in Epidemiology,
Год журнала:
2025,
Номер
5
Опубликована: Май 30, 2025
Introduction
Long
COVID
(LC)
is
a
multisystem
condition
with
prolonged
symptoms
persisting
beyond
acute
SARS-CoV-2
infection.
However,
prevalence
estimates
vary
widely
due
to
differences
in
case
definitions
and
sampling
methodologies.
This
study
aims
determine
the
of
LC
across
different
correct
for
selection
bias
using
advanced
statistical
modeling.
Methods
We
conducted
retrospective,
observational
at
Luigi
Sacco
Hospital
(Milan,
Italy),
analyzing
3,344
COVID-19
patients
from
two
pandemic
waves
(2020–2021).
Participants
included
1,537
outpatients
ARCOVID
clinic
1,807
hospitalized
patients.
was
defined
based
on
WHO
NICE
criteria,
as
well
alternative
definitions:
3
6
months
post-infection.
used
bivariate
censored
Probit
model
account
estimate
adjusted
prevalence.
Results
varied
67.4%
(WHO),
76.3%
(NICE),
80.2%
(3
months),
79.6%
(6
months).
Adjusted
remained
consistent
definitions.
The
most
common
were
fatigue
(58.6%),
dyspnea
(41.1%),
joint/muscle
pain
(39.2%).
Risk
factors
female
sex
(OR
2.165–2.379),
metabolic
disease
1.587–1.629),
older
age
(40–50
years,
OR
1.847).
Protective
antiplatelets
0.640–0.689),
statins
0.616),
hypoglycemics
0.593–0.706).
Vaccination,
hydroxychloroquine,
antibiotics
associated
an
increased
risk
LC.
Selection
significantly
influenced
estimates,
underscoring
need
robust
adjustments.
Discussion
Our
findings
highlight
high
LC,
particularly
among
specific
subgroups,
strong
effects
influencing
outpatient
participation.
Differences
emphasize
impact
designs
research.
identification
protective
supports
targeted
interventions
patient
management
strategies.
Conclusion
provides
one
comprehensive
analyses
while
accounting
bias.
call
standardized
definitions,
improved
epidemiological
methodologies,
prevention
Future
research
should
explore
prospective
cohorts
refine
investigate
long-term
health
outcomes.
Veterinary Sciences,
Год журнала:
2024,
Номер
11(11), С. 533 - 533
Опубликована: Ноя. 1, 2024
Porcine
epidemic
diarrhea
virus
(PEDV)
is
a
highly
contagious
coronavirus
that
infect
pigs'
intestinal
epithelial
cells,
causing
high
morbidity
and
mortality.
Due
to
the
rapid
mutation
of
PEDV,
vaccine
efficacy
uncertain,
prompting
exploration
alternative
treatments.
Nanobodies,
also
known
as
variable
heavy
chain
domains
chain-only
antibodies
(VHHs),
offer
significant
potential
in
biomedical
applications
due
their
small
size
specificity.
In
this
study,
yeast
two-hybrid
technology
was
employed
screen
for
eight
specific
VHH
sequences
targeting
PEDV
S
protein
from
synthetically
constructed
nanobody
library.
The
genes
were
then
cloned
into
expression
plasmids
recombinant
production,
resulting
VHHs
(termed
S-VHHs)
purified.
Indirect
immunofluorescence
assay
(IFA)
Western
blotting
analysis
confirmed
these
specifically
bind
both
its
protein.
Neutralization
assays
demonstrated
seven
S-VHHs
exhibited
potent
neutralizing
activity
against
PEDV.
Additionally,
combination
showed
enhanced
antiviral
effects.
Preliminary
predictions
made
regarding
binding
sites
between
described
study
hold
candidates
prevention
treatment
infection.