Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 3, 2025
The
unrelenting
emergence
of
SARS-CoV-2
variants
has
significantly
challenged
the
efficacy
existing
COVID-19
vaccines.
Enhancing
stability
and
immunogenicity
spike
protein
is
critical
for
improving
vaccine
performance
addressing
variant-driven
immune
evasion.
We
developed
an
mRNA-based
vaccine,
RV-1730,
encoding
Delta
variant
with
S6P
mutation
to
enhance
immunogenicity.
vaccine's
protective
were
evaluated
in
preclinical
models,
including
monovalent
(RV-1730)
bivalent
(RV-1731)
formulations
targeting
BA.1
variants.
Additionally,
effectiveness
RV-1730
as
a
heterologous
booster
following
primary
vaccination
BNT162b2
(Pfizer-BioNTech)
mRNA-1273
(Moderna-NIAID)
was
assessed.
elicited
stronger
B
T
cell
responses
more
durable
neutralizing
antibodies
compared
S2P-based
RV-1731
demonstrated
broad
activity
against
emerging
variants,
XBB1.5
JN.1.
Importantly,
when
used
initial
immunization
or
mRNA-1273,
enhanced
antibody
titers
multiple
Omicron.
Both
provided
superior
protection
indicating
due
mutation.
incorporation
into
enhances
strong
broad-spectrum
underscore
their
potential
versatile
effective
strategies
its
evolving
Military Medical Research,
Journal Year:
2020,
Volume and Issue:
7(1)
Published: March 13, 2020
Abstract
An
acute
respiratory
disease,
caused
by
a
novel
coronavirus
(SARS-CoV-2,
previously
known
as
2019-nCoV),
the
disease
2019
(COVID-19)
has
spread
throughout
China
and
received
worldwide
attention.
On
30
January
2020,
World
Health
Organization
(WHO)
officially
declared
COVID-19
epidemic
public
health
emergency
of
international
concern.
The
emergence
SARS-CoV-2,
since
severe
syndrome
(SARS-CoV)
in
2002
Middle
East
(MERS-CoV)
2012,
marked
third
introduction
highly
pathogenic
large-scale
into
human
population
twenty-first
century.
As
1
March
total
87,137
confirmed
cases
globally,
79,968
7169
outside
China,
with
2977
deaths
(3.4%)
had
been
reported
WHO.
Meanwhile,
several
independent
research
groups
have
identified
that
SARS-CoV-2
belongs
to
β-coronavirus,
identical
genome
bat
coronavirus,
pointing
natural
host.
uses
same
receptor,
angiotensin-converting
enzyme
2
(ACE2)
for
SARS-CoV,
mainly
spreads
through
tract.
Importantly,
increasingly
evidence
showed
sustained
human-to-human
transmission,
along
many
exported
across
globe.
clinical
symptoms
patients
include
fever,
cough,
fatigue
small
appeared
gastrointestinal
infection
symptoms.
elderly
people
underlying
diseases
are
susceptible
prone
serious
outcomes,
which
may
be
associated
distress
(ARDS)
cytokine
storm.
Currently,
there
few
specific
antiviral
strategies,
but
potent
candidates
antivirals
repurposed
drugs
under
urgent
investigation.
In
this
review,
we
summarized
latest
progress
epidemiology,
pathogenesis,
characteristics
COVID-19,
discussed
current
treatment
scientific
advancements
combat
coronavirus.
Drug Discoveries & Therapeutics,
Journal Year:
2020,
Volume and Issue:
14(1), P. 58 - 60
Published: Feb. 29, 2020
The
SARS-CoV-2
virus
emerged
in
December
2019
and
then
spread
rapidly
worldwide,
particularly
to
China,
Japan,
South
Korea.
Scientists
are
endeavoring
find
antivirals
specific
the
virus.
Several
drugs
such
as
chloroquine,
arbidol,
remdesivir,
favipiravir
currently
undergoing
clinical
studies
test
their
efficacy
safety
treatment
of
coronavirus
disease
(COVID-19)
China;
some
promising
results
have
been
achieved
thus
far.
This
article
summarizes
agents
with
potential
against
SARS-CoV-2.
BioScience Trends,
Journal Year:
2020,
Volume and Issue:
14(1), P. 69 - 71
Published: Jan. 27, 2020
As
of
January
22,
2020,
a
total
571
cases
the
2019-new
coronavirus
(2019-nCoV)
have
been
reported
in
25
provinces
(districts
and
cities)
China.
At
present,
there
is
no
vaccine
or
antiviral
treatment
for
human
animal
coronavirus,
so
that
identifying
drug
options
as
soon
possible
critical
response
to
2019-nCoV
outbreak.
Three
general
methods,
which
include
existing
broad-spectrum
drugs
using
standard
assays,
screening
chemical
library
containing
many
compounds
databases,
redevelopment
new
specific
based
on
genome
biophysical
understanding
individual
coronaviruses,
are
used
discover
potential
pathogen
coronavirus.
Lopinavir
/Ritonavir,
Nucleoside
analogues,
Neuraminidase
inhibitors,
Remdesivir,
peptide
(EK1),
abidol,
RNA
synthesis
inhibitors
(such
TDF,
3TC),
anti-inflammatory
hormones
other
molecules),
Chinese
traditional
medicine,
such
ShuFengJieDu
Capsules
Lianhuaqingwen
Capsule,
could
be
2019-nCoV.
However,
efficacy
safety
these
2019-
nCoV
still
need
further
confirmed
by
clinical
experiments.
Annals of Medicine and Surgery,
Journal Year:
2020,
Volume and Issue:
60, P. 271 - 279
Published: Nov. 1, 2020
Emergence
of
coronavirus
disease
2019
(COVID-19)
forced
the
worldwide
higher
educational
institutes
to
adopt
distance
learning
mode.
Further,
remote
electronic
exams
(E-exams)
were
considered
as
mode
assessment.
Virology Journal,
Journal Year:
2020,
Volume and Issue:
17(1)
Published: July 29, 2020
Abstract
Coronavirus
disease
2019
(COVID-19)
caused
by
SARS-CoV-2
infection
has
spread
rapidly
across
the
world
and
become
an
international
public
health
emergency.
Both
SARS-CoV
belong
to
subfamily
Coronavirinae
in
family
Coronaviridae
of
order
Nidovirales
they
are
classified
as
SARS-like
species
while
different
cluster.
Besides,
viral
structure,
epidemiology
characteristics
pathological
also
different.
We
present
a
comprehensive
survey
latest
coronavirus—SARS-CoV-2—from
investigating
its
origin
evolution
alongside
SARS-CoV.
Meanwhile,
pathogenesis,
cardiovascular
COVID-19
patients,
myocardial
injury
venous
thromboembolism
induced
well
treatment
methods
summarized
this
review.
International Journal of Environmental Research and Public Health,
Journal Year:
2021,
Volume and Issue:
18(2), P. 596 - 596
Published: Jan. 12, 2021
(1)
Background:
A
considerable
number
of
systematic
reviews,
with
substantial
heterogeneity
regarding
their
methods
and
included
populations,
on
the
impact
COVID-19
infected
pregnant
women
neonates,
has
emerged.
The
aim
was
to
describe
obstetric-perinatal
neonatal
outcome
newborns
during
pandemic;
(2)
Methods:
Three
bibliographical
databases
were
searched
(last
search:
10
September
2020).
Quality
assessment
performed
using
AMSTAR-2
tool.
Primary
outcomes
mode
delivery,
preterm
delivery/labor,
premature
rupture
membranes
(PROM/pPROM)
abortions/miscarriages.
Outcomes
mainly
presented
as
ranges.
separate
analysis,
including
only
moderate
high-quality
also
conducted.
protocol
registered
PROSPERO
(CRD42020214447);
(3)
Results:
Thirty-nine
reviews
analyzed.
Reported
rates,
both
term
gestations,
varied
between
52.3
95.8%
for
cesarean
sections;
4.2–44.7%
vaginal
deliveries;
14.3–63.8%
specifically
deliveries
22.7–32.2%
labor;
5.3–12.7%
PROM
6.4–16.1%
pPROM.
Maternal
anxiety
potential
fetal
infection
contributed
abortion
decisions,
while
SARS-CoV-2-related
miscarriages
could
not
be
excluded.
ICU
admission
mechanical
ventilation
rates
3–28.5%
1.4–12%,
respectively.
mortality
rate
<2%,
stillbirth,
<2.5%,
3.1–76.9%
<3%,
Neonatal
PCR
positivity
ranged
1.6%
10%.
After
accounting
quality
studies,
ranges
our
primary
remained
almost
unchanged,
among
secondary
outcomes,
maternal
(3–10%)
(1.4–5.5%)
found
relatively
lower;
(4)
Conclusions:
Increased
sections
birth
found,
iatrogenic
reasons
potentially
involved.
In
cases
symptomatic
confirmed
infection,
high
should
raise
some
concerns.
probability
vertical
transmission
cannot
Further
original
studies
from
all
trimesters
are
warranted.
Vaccines,
Journal Year:
2022,
Volume and Issue:
10(7), P. 1120 - 1120
Published: July 13, 2022
Vaccines
are
one
of
the
most
significant
medical
interventions
in
fight
against
infectious
diseases.
Since
their
discovery
by
Edward
Jenner
1796,
vaccines
have
reduced
worldwide
transmission
to
eradication
levels
diseases,
including
smallpox,
diphtheria,
hepatitis,
malaria,
and
influenza.
However,
complexity
developing
safe
effective
remains
a
barrier
for
combating
many
more
Immune
stimulants
(or
adjuvants)
an
indispensable
factor
vaccine
development,
especially
inactivated
subunit-based
due
decreased
immunogenicity
compared
whole
pathogen
vaccines.
Adjuvants
widely
diverse
structure;
however,
overall
function
constructs
is
same:
enhance
and/or
prolong
immunological
response.
The
potential
adverse
effects
as
result
adjuvant
use,
though,
must
be
acknowledged
carefully
managed.
Understanding
specific
mechanisms
efficacy
safety
key
prerequisite
use
vaccination.
Therefore,
rigorous
pre-clinical
clinical
research
into
development
essential.
Overall,
incorporation
adjuvants
allows
greater
opportunities
advancing
importance
immune
drives
emergence
novel
adjuvants.
This
article
highlights
recent
advances
provides
detailed
data
from
studies
Future
perspectives
also
highlighted.
IEEE Internet of Things Journal,
Journal Year:
2021,
Volume and Issue:
8(21), P. 15929 - 15938
Published: Jan. 14, 2021
During
the
outbreak
of
Coronavirus
disease
2019
(COVID-19),
while
bringing
various
serious
threats
to
world,
it
reminds
us
that
we
need
take
precautions
control
transmission
virus.
The
rise
Internet
Medical
Things
(IoMT)
has
made
related
data
collection
and
processing,
including
healthcare
monitoring
systems,
more
convenient
on
one
hand,
requirements
public
health
prevention
are
also
changing
challengeable
other
hand.
One
most
effective
nonpharmaceutical
medical
intervention
measures
is
mask
wearing.
Therefore,
there
an
urgent
for
automatic
real-time
detection
method
help
prevent
epidemic.
In
this
article,
put
forward
edge
computing-based
(ECMask)
identification
framework
precautions,
which
can
ensure
performance
low-power
camera
devices
buses.
Our
ECMask
consists
three
main
stages:
1)
video
restoration;
2)
face
detection;
3)
identification.
models
trained
evaluated
our
bus
drive
set
set.
We
construct
extensive
experiments
validate
good
based
real
data,
in
consideration
accuracy
execution
time
efficiency
whole
analysis,
have
valuable
application
COVID-19
prevention.