Communications Medicine,
Journal Year:
2023,
Volume and Issue:
3(1)
Published: May 19, 2023
Sex
and
gender
are
believed
to
influence
vaccine
response.
Yet,
the
relationship
between
sex
COVID-19
efficacy
is
poorly
understood
remains
under-investigated.We
conducted
a
systematic
review
determine
whether
what
extent
post-approval
effectiveness
(VE)
studies
report
sex-disaggregated
VE
data.
We
searched
four
publication
pre-publication
databases
additional
grey
literature
sources
for
relevant
published/preprint
released
1
January
2020
October
2021
(i.e.,
pre-Omicron
era).
included
observational
providing
estimates
one
or
more
licensed/approved
vaccines
including
both
males
females.
Two
reviewers
independently
assessed
study
eligibility,
extracted
data,
risk-of-bias
through
modified
version
of
Cochrane's
ROBINS-I
tool.
A
qualitative
data
synthesis
was
performed.Here
we
show
that,
among
240
eligible
publications,
68
(28.3%)
do
not
distribution
participants.
Only
21/240
(8.8%)
provide
estimates,
high
between-study
heterogeneity
regarding
design,
target
population,
outcomes,
type/timing
prevent
assessment
in
determining
across
studies.Our
findings
indicate
that
few
research
publications
account
sex.
Improved
adherence
recommended
reporting
guidelines
will
ensure
evidence
generated
can
be
used
better
understand
VE.The
level
protection
against
might
depend
on
person’s
gender.
However,
always
reported
vaccines.
Here,
systematically
reviewed
looked
at
found
separated
out
their
by
participants’
Out
identified,
did
participants
study,
only
21
These
results
substantial
proportion
Efforts
should
made
researchers
effectiveness,
help
optimise
vaccination
strategies
so
all
people
adequately
protected.
Journal of Clinical Medicine,
Journal Year:
2022,
Volume and Issue:
11(9), P. 2565 - 2565
Published: May 4, 2022
Mortality
from
COVID-19
among
kidney
transplant
recipients
(KTR)
is
high,
and
their
response
to
three
vaccinations
against
SARS-CoV-2
strongly
impaired.
We
retrospectively
analyzed
the
serological
of
up
five
doses
vaccine
in
KTR
27
December
2020
until
31
2021.
Particularly,
influence
different
dose
adjustment
regimens
for
mycophenolic
acid
(MPA)
on
fourth
vaccination
was
analyzed.
In
total,
4277
1478
patients
were
Serological
19.5%
after
1203
basic
immunizations,
increased
29.4%,
55.6%,
57.5%
603
third,
250
fourth,
40
fifth
vaccinations,
resulting
a
cumulative
rate
88.7%.
with
calcineurin
inhibitor
MPA
maintenance
immunosuppression,
pausing
adding
5
mg
prednisolone
equivalent
before
75%
comparison
no
(52%)
or
reduction
(46%).
Belatacept-treated
had
8.7%
(4/46)
12.5%
(3/25)
four
vaccinations.
Except
belatacept-treated
patients,
repeated
times
effectively
induces
recipients.
It
can
be
enhanced
by
at
time
vaccination.
Psychological Medicine,
Journal Year:
2022,
Volume and Issue:
53(8), P. 3611 - 3620
Published: Feb. 14, 2022
Subthreshold
depression
could
be
a
significant
precursor
to
and
risk
factor
for
major
depression.
However,
reliable
estimates
of
the
prevalence
its
contribution
developing
under
different
terminologies
depicting
subthreshold
have
established.
Frontiers in Public Health,
Journal Year:
2022,
Volume and Issue:
10
Published: May 6, 2022
COVID-19
vaccines
have
proven
to
be
very
safe
in
the
clinical
trials,
however,
there
is
less
evidence
comparing
safety
of
these
real-world
settings.
Therefore,
we
aim
investigate
nature
and
severity
adverse
effects
reported
differences
based
on
type
vaccine
received.
A
survey
was
conducted
among
1,878
adult
(≥18
years)
recipients
through
online
platforms
telephonic
interviews
during
March
September
2021.
The
factors
potentially
associated
with
side
like
age,
gender,
ethnicity,
comorbidities,
previous
infection
were
analyzed
Differences
events
compared
between
inactivated
mRNA
recipients.
major
by
pain
at
site
injection,
fatigue
drowsiness,
headache
followed
joint/muscle
pain.
more
common
Pfizer-BioNTech
than
inactive
Sinopharm
odds
ratio
1.39
(95%
CI
1.14–1.68).
average
number
individuals
who
had
received
1.61
±
2.08
2.20
2.58,
respectively,
difference
statistically
significant
(
p
<0.001).
Severe
after
vaccinations
rare
95%
either
an
or
mild
requiring
no
home-based
treatment.
study
found
that
55
years
female
history
one
comorbid
conditions,
Pfizer-
BioNTech
vaccine,
infections
are
higher
developing
effect
post
vaccination
others.
Journal of Medical Virology,
Journal Year:
2022,
Volume and Issue:
94(10), P. 4644 - 4653
Published: June 16, 2022
To
systematically
review
and
synthesize
the
safety
efficacy
of
coronavirus
disease-2019
(COVID-19)
vaccines
in
children
adolescents.
PubMed,
EMBASE,
Web
Science,
Cochrane
Library
databases,
International
Clinical
Trials
Registry
Platform
(ICTRP),
Chinese
(ChiCTR),
ClinicalTrials.gov
website
were
searched
to
collect
accessible
randomized
controlled
trials
(RCTs)
about
human
COVID-19
adolescents
until
May
1,
2022.
Three
steps,
including
duplicate
removal,
title
abstract
screening,
full-text
review,
used
screen
studies.
The
risk-of-bias
tool
for
RCTs
was
assess
bias
risk
included
Microsoft
Excel
16.57
(2021)
software
data
extraction
analysis.
(PROSPERO
Code
No:
CRD42021295422).
evaluated
a
total
10
950
seven
published
studies
over
49
530
participants
26
ongoing
trials.
Descriptive
findings
reported
stratified
by
vaccine
type.
overall,
local,
systemic
adverse
events
following
immunization
(AEFIs)
most
similar
between
placebo
groups.
Most
reactions
mild
moderate,
whereas
few
severe.
common
injection-site
pain,
fever,
headache,
cough,
fatigue,
muscle
pain.
Few
clinical
serious
events,
but
them
unrelated
vaccination.
In
terms
efficacy,
investigated
messenger
RNA
(mRNA)
found
be
90.7%-100%
efficacious
preventing
among
adolescents,
revealing
good
profiles
this
age
group.
Among
current
is
acceptable,
have
suggested
that
mRNA
can
provide
high
protection
against
infection
pediatric
Emerging Microbes & Infections,
Journal Year:
2022,
Volume and Issue:
11(1), P. 2383 - 2392
Published: Sept. 7, 2022
Knowing
vaccine
effectiveness
(VE)
against
variants
of
concern
(VOCs)
in
the
real-world
setting
is
essential
for
public
health
decision-making.
A
systematic
landscape
VE
a
series
clinical
outcomes
caused
by
VOCs
needed.
We
systematically
searched
studies
that
evaluated
and
collected
individual
data.
identified
113
meeting
eligibility
criteria.
found
full
vaccination
provided
strong
protection
each
outcome
with
summary
ranging
from
86.8%
to
96.0%
Alpha,
moderate
infection
Beta,
Gamma
Delta
70.9%
72.8%,
severe
disease
84.9%
90.3%,
limited
23.5%
(95%
CI,
17.0-29.5)
56.5%
82.4%
diseases
Omicron.
Booster
can
provide
substantial
improvement
Omicron,
but
not
as
much
Delta.
The
meta-regression
analysis
showed
Omicron
wanned
over
time,
hospitalization
declined
relatively
slowly,
compared
infection.
Those
findings
supported
need
measures,
increasing
booster
coverage
response
current
new
infectious
waves
driven
developing
broadly
protective
vaccines
confront
virus
evolution.
Clinical Infectious Diseases,
Journal Year:
2022,
Volume and Issue:
75(Supplement_1), P. S61 - S71
Published: May 24, 2022
Male
sex
and
old
age
are
risk
factors
for
severe
coronavirus
disease
2019,
but
the
intersection
of
aging
on
antibody
responses
to
acute
respiratory
syndrome
2
(SARS-CoV-2)
vaccines
has
not
been
characterized.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: June 6, 2023
Abstract
SARS-CoV-2
has
resulted
in
high
levels
of
morbidity
and
mortality
world-wide,
severe
complications
can
occur
older
populations.
Humoral
immunity
induced
by
authorized
vaccines
wanes
within
6
months,
frequent
boosts
may
only
offer
transient
protection.
GRT-R910
is
an
investigational
self-amplifying
mRNA
(samRNA)-based
vaccine
delivering
full-length
Spike
selected
conserved
non-Spike
T
cell
epitopes.
This
study
reports
interim
analyses
for
a
phase
I
open-label
dose-escalation
trial
evaluating
previously
vaccinated
healthy
adults
(NCT05148962).
Primary
endpoints
safety
tolerability
were
assessed.
Most
solicited
local
systemic
adverse
events
(AEs)
following
dosing
mild
to
moderate
transient,
no
treatment-related
serious
AEs
observed.
The
secondary
endpoint
immunogenicity
was
assessed
via
IgG
binding
assays,
neutralization
interferon-gamma
ELISpot,
intracellular
cytokine
staining.
Neutralizing
antibody
titers
against
ancestral
variants
concern
boosted
or
and,
contrasting
vaccines,
persisted
through
at
least
months
after
the
booster
dose.
increased
and/or
broadened
functional
Spike-specific
responses
primed
limited
due
small
sample
size,
additional
data
from
ongoing
studies
will
be
required
corroborate
these
findings.
Influenza and Other Respiratory Viruses,
Journal Year:
2022,
Volume and Issue:
17(1)
Published: Dec. 19, 2022
COVID-19
vaccine
is
critical
in
preventing
SARS-CoV-2
infection
and
transmission.
However,
obesity's
effect
on
immune
responses
to
vaccines
still
unknown.
We
performed
a
meta-analysis
of
the
literature
compared
antibody
with
among
persons
without
obesity.
used
Pubmed,
Embase,
Web
Science,
Cochrane
Library
identify
all
related
studies
up
April
2022.
The
Stata.14
software
was
analyze
selected
data.
Eleven
were
included
present
meta-analysis.
Five
them
provided
absolute
values
titers
obese
group
non-obese
group.
Overall,
we
found
that
population
significantly
associated
lower
(standardized
mean
difference
[SMD]
=
-0.228,
95%
CI
[-0.437,
-0.019],
P
<
0.001)
after
vaccination.
Significant
heterogeneity
most
pooled
analyses
but
reduced
subgroup
analyses.
No
publication
bias
observed
analysis.
Trim
Fill
method
did
not
change
results
primary
suggested
obesity
decreased
vaccines.
Future
should
be
unravel
mechanism
response
individuals.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Sept. 13, 2022
Older
adults
are
more
susceptible
to
severe
health
outcomes
for
coronavirus
disease
2019
(COVID-19).
Universal
vaccination
has
become
a
trend,
but
there
still
doubts
and
research
gaps
regarding
the
COVID-19
in
elderly.
This
study
aimed
investigate
efficacy,
immunogenicity,
safety
of
vaccines
older
people
aged
≥
55
years
their
influencing
factors.Randomized
controlled
trials
from
inception
April
9,
2022,
were
systematically
searched
PubMed,
EMBASE,
Cochrane
Library,
Web
Science.
We
estimated
summary
relative
risk
(RR),
rates,
or
standardized
mean
difference
(SMD)
with
95%
confidence
interval
(CI)
using
random-effects
meta-analysis.
was
registered
PROSPERO
(CRD42022314456).Of
32
eligible
studies,
21,
25
analyzed
safety,
respectively.
In
adults,
efficacious
against
(79.49%,
CI:
60.55-89.34),
excellent
seroconversion
rate
(92.64%,
86.77-96.91)
geometric
titer
(GMT)
(SMD
3.56,
2.80-4.31)
neutralizing
antibodies,
provided
significant
protection
(87.01%,
50.80-96.57).
Subgroup
meta-regression
analyses
consistently
found
vaccine
types
number
doses
be
primary
factors
efficacy
immunogenicity.
Specifically,
mRNA
showed
best
(90.72%,
86.82-93.46),
consistent
its
highest
(98.52%,
93.45-99.98)
GMT
6.20,
2.02-10.39).
Compared
control
groups,
significantly
increased
incidence
total
adverse
events
(AEs)
(RR
1.59,
1.38-1.83),
including
most
local
systemic
AEs,
such
as
pain,
fever,
chill,
etc.
For
inactivated
DNA
vaccines,
any
AEs
similar
between
groups
(p
>
0.1),
while
had
range
1.74
7.22).COVID-19
acceptable
immunogenicity
people,
especially
providing
high
disease.
The
efficacious,
it
is
worth
surveillance
some
caused.
Increased
booster
coverage
warranted,
additional
studies
urgently
required
longer
follow-up
periods
variant
strains.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Oct. 31, 2022
To
date
there
has
been
limited
head-to-head
evaluation
of
immune
responses
to
different
types
COVID-19
vaccines.
A
real-world
population-based
longitudinal
study
was
designed
with
the
aim
define
magnitude
and
duration
immunity
induced
by
each
four
vaccines
available
in
Italy
at
time
this
study.
Overall,
2497
individuals
were
enrolled
their
first
vaccination
(T0).
Vaccine-specific
antibody
over
Comirnaty,
Spikevax,
Vaxzevria,
Janssen
Ad26.COV2.S
heterologous
compared
up
six
months
after
immunization.
On
a
subset
Comirnaty
vaccinees,
serology
data
correlated
ability
neutralize
reference
SARS-CoV-2
B
strain,
as
well
Delta
AY.4
Omicron
BA.1.
The
frequency
SARS-CoV-2-specific
CD4+
T
cells,
CD8+
memory
cells
assessed
We
found
that
mRNA
are
stronger
inducer
anti-Spike
IgG
B-memory
cell
responses.
Humoral
lower
frail
elderly
subjects.
Neutralization
BA.1
variants
is
severely
impaired,
especially
older
individuals.
Most
vaccinees
display
vaccine-specific
T-cell
vaccination.
By
describing
immunological
response
during
phase
campaign
cohorts
considering
several
aspects
response,
allowed
collect
key
information
could
facilitate
implementation
effective
prevention
control
measures
against
SARS-CoV-2.