Frontiers in Medicine,
Год журнала:
2023,
Номер
10
Опубликована: Май 16, 2023
Vaccine-induced
immune
thrombotic
thrombocytopenia
(VITT),
also
known
as
thrombosis
with
syndrome,
is
a
catastrophic
and
life-threatening
reaction
to
coronavirus
disease
2019
(COVID-19)
vaccines,
which
occurs
disproportionately
in
response
vaccination
non-replicating
adenovirus
vector
(AV)
vaccines.
The
mechanism
of
VITT
not
well
defined
it
has
been
resolved
why
cases
are
predominated
by
AV
However,
virtually
all
patients
have
positive
platelet-activating
anti-platelet
factor
4
(PF4)
antibody
titers.
Subsequently,
platelets
activated
depleted
an
Fcγ-receptor
IIa
(FcγRIIa
or
CD32a)-dependent
manner,
but
clear
how
the
anti-PF4
mounted.
This
review
describes
pathogenesis
provides
insight
into
possible
mechanisms
that
prompt
formation
PF4/polyanion
complex,
drives
pathology,
amalgam
current
experimental
data
hypotheses.
Annals of the Rheumatic Diseases,
Год журнала:
2021,
Номер
81(5), С. 695 - 709
Опубликована: Дек. 31, 2021
To
describe
the
safety
of
vaccines
against
SARS-CoV-2
in
people
with
inflammatory/autoimmune
rheumatic
and
musculoskeletal
disease
(I-RMD).Physician-reported
registry
I-RMD
non-inflammatory
RMD
(NI-RMDs)
patients
vaccinated
SARS-CoV-2.
From
5
February
2021
to
27
July
2021,
we
collected
data
on
demographics,
vaccination,
diagnosis,
activity,
immunomodulatory/immunosuppressive
treatments,
flares,
adverse
events
(AEs)
breakthrough
infections.
Data
were
analysed
descriptively.The
study
included
5121
participants
from
30
countries,
90%
I-RMDs
(n=4604,
68%
female,
mean
age
60.5
years)
10%
NI-RMDs
(n=517,
77%
71.4).
Inflammatory
joint
diseases
(58%),
connective
tissue
(18%)
vasculitis
(12%)
most
frequent
diagnostic
groups;
54%
received
conventional
synthetic
disease-modifying
antirheumatic
drugs
(DMARDs),
42%
biological
DMARDs
35%
immunosuppressants.
Most
Pfizer/BioNTech
vaccine
(70%),
17%
AstraZeneca/Oxford
8%
Moderna.
In
fully
cases,
infections
reported
0.7%
1.1%
NI-RMD
patients.
flares
4.4%
cases
(0.6%
severe),
1.5%
resulting
medication
changes.
AEs
37%
(37%
I-RMD,
40%
NI-RMD),
serious
0.5%
(0.4%
1.9%
NI-RMD).The
profiles
was
reassuring
comparable
NI-RMDs.
The
majority
tolerated
their
vaccination
well
rare
reports
flare
very
AEs.
These
findings
should
provide
reassurance
rheumatologists
recipients
promote
confidence
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Янв. 20, 2022
Prior
research
using
electronic
health
records
for
Covid-19
vaccine
safety
monitoring
typically
focuses
on
specific
disease
groups
and
excludes
individuals
with
multimorbidity,
defined
as
≥2
chronic
conditions.
We
examine
the
potential
additional
risk
of
adverse
events
28
days
after
first
dose
CoronaVac
or
Comirnaty
imposed
by
multimorbidity.
Using
a
territory-wide
public
healthcare
database
population-based
vaccination
in
Hong
Kong,
we
analyze
retrospective
cohort
patients
Thirty
special
interest
according
to
World
Health
Organization
are
examined.
In
total,
883,416
included
2,807
(0.3%)
develop
events.
Results
suggest
vaccinated
have
lower
risks
than
unvaccinated
individuals,
multimorbidity
is
associated
increased
regardless
vaccination,
association
not
modified
To
conclude,
find
no
evidence
that
imposes
extra
following
vaccination.
Human Vaccines & Immunotherapeutics,
Год журнала:
2021,
Номер
18(1)
Опубликована: Окт. 6, 2021
Concerns
about
the
safety
and
side
effects
of
coronavirus
SARS
CoV2
vaccines
have
been
raised
among
many
communities
worldwide.
The
aim
this
study
was
to
describe
reported
by
vaccinated
individuals
in
Jordan.
A
cross-sectional
survey
used
recruit
responses
from
participants
who
were
with
either
one
dose
or
both
doses
any
administered
Jordan
(AstraZeneca,
Pfizer,
Sinopharm).
total
1,086
enrolled
study.
Most
not
infected
before
receiving
vaccine
(77.2%).
Larger
proportion
population
received
Pfizer
(40.6%)
followed
AstraZeneca
(33.0%),
Sinopharm
(26.4%).
Side
after
first
most
(89.9%)
included
pain
at
injection
site
(78.4%),
fatigue
(51.8%),
myalgia
(37.6%),
headache
(33.1%),
chills
(32.3%).
To
a
lesser
extent,
there
gastrointestinal
such
as
nausea
(15.1%),
loss
appetite
(9.4%),
diarrhea
(6.4%).
More
significantly
associated
(P
<
.001).
Only
case
for
each
second
that
their
required
hospitalization.
In
study,
we
found
people
experienced
more
least
is
vaccine.
Our
showed
these
are
severe
should
be
an
obstacle
against
successful
control
pandemic
Vaccines,
Год журнала:
2022,
Номер
10(1), С. 89 - 89
Опубликована: Янв. 7, 2022
COVID-19
infections
are
returning
to
many
countries
because
of
the
emergence
variants
or
declining
antibody
levels
provided
by
vaccines.
An
additional
dose
vaccination
is
recommended
be
a
considerable
supplementary
intervention.
We
aim
explore
public
acceptance
third
vaccine
and
related
influencing
factors
in
China.
This
nationwide
cross-sectional
study
was
conducted
general
population
among
31
provinces
November,
2021.
collected
information
on
basic
characteristics,
knowledge
attitudes,
vaccine-related
health
beliefs
participants.
Univariable
multivariable
logistic
regression
models
were
used
assess
associated
with
vaccine.
A
total
93.7%
(95%
CI:
92.9-94.6%)
3119
Chinese
residents
willing
receive
Individuals
low
level
perceived
susceptibility,
benefit,
cues
action
cues,
high
barriers,
old
age,
educational
level,
monthly
household
income,
score
less
likely
have
(all
p
<
0.05).
In
model,
mainly
previous
history
[Sinopharm
BBIP
(aOR
=
6.55,
95%
CI
3.30-12.98),
Sinovac
5.22,
CI:2.72-10.02),
Convidecia
5.80,
2.04-16.48)],
susceptibility
2.48,
1.48-4.31)
23.66,
9.97-56.23).
Overall,
China
showed
willingness
accept
vaccines,
which
can
help
manufacturers
manage
production
distribution
for
huge
domestic
international
demand.
Relevant
institutions
could
increase
people's
booster
shots
increasing
initial
rates,
public's
perception
through
various
strategies
channels.
Meanwhile,
it
also
has
certain
reference
significance
other
formulate
promotion
strategies.
The Journal of Infectious Diseases,
Год журнала:
2022,
Номер
225(11), С. 1923 - 1932
Опубликована: Янв. 24, 2022
Abstract
Background
Additional
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
vaccines
that
are
safe
and
effective
as
primary
boosters
remain
urgently
needed
to
combat
the
disease
2019
(COVID-19)
pandemic.
We
describe
safety
durability
of
immune
responses
following
doses
a
homologous
booster
dose
an
investigational
DNA
vaccine
(INO-4800)
targeting
full-length
spike
antigen.
Methods
Three
dosage
strengths
INO-4800
(0.5
mg,
1.0
2.0
mg)
were
evaluated
in
120
age-stratified
healthy
adults.
Intradermal
injection
followed
by
electroporation
at
0
4
weeks
preceded
optional
6–10.5
months
after
second
dose.
Results
appeared
well
tolerated
with
no
treatment-related
serious
adverse
events.
Most
events
mild
did
not
increase
frequency
age
subsequent
dosing.
A
durable
antibody
response
was
observed
6
dose;
significantly
increased
responses.
Cytokine-producing
T
cells
activated
CD8+
lytic
potential
2.0-mg
group.
Conclusions
2-dose
series
all
adults,
including
elderly
participants.
These
results
support
further
development
for
use
booster.
Clinical
Trials
Registration
NCT04336410.
Oral Diseases,
Год журнала:
2021,
Номер
28(S2), С. 2595 - 2596
Опубликована: Сен. 20, 2021
All
authors
affirm
that
they
have
no
conflict
of
interest.
The
peer
review
history
for
this
article
is
available
at
https://publons.com/publon/10.1111/odi.14025.
Vaccines,
Год журнала:
2022,
Номер
10(4), С. 608 - 608
Опубликована: Апрель 13, 2022
Currently
available
vaccines
against
severe
acute
respiratory
syndrome
coronavirus-2
(SARS-CoV-2)
are
highly
effective
but
not
able
to
keep
the
coronavirus
disease
2019
(COVID-19)
pandemic
completely
under
control.
Alternative
R&D
strategies
required
induce
a
long-lasting
immunological
response
and
reduce
adverse
events
as
well
favor
rapid
development
large-scale
production.
Several
technological
platforms
have
been
used
develop
COVID-19
vaccines,
including
inactivated
viruses,
recombinant
proteins,
DNA-
RNA-based
virus-vectored
virus-like
particles.
In
general,
mRNA
protein-based
vectored
shown
high
level
of
protection
COVID-19.
However,
mutation-prone
nature
spike
(S)
protein
affects
vaccine
its
effectiveness,
vaccinated
people
can
become
infected
with
new
variants,
also
showing
virus
levels.
addition,
effects
may
occur,
some
them
related
interaction
S
angiotensin-converting
enzyme
2
(ACE-2).
Thus,
there
concerns
that
need
be
addressed
challenges
regarding
logistic
problems,
such
strict
storage
at
low
temperatures
for
vaccines.
this
review,
we
discuss
limits
developed
possible
innovative
approaches.