IntechOpen eBooks,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 23, 2023
Severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
infection
has
devastated
the
world
with
disease
2019
(COVID-19).
SARS-CoV-2
is
an
RNA
virus
that
a
high
mutation
rate
producing
new
variant
serious
threats.
Recently
emerged
delta
(B.1.617.2)
(India),
and
omicron
(B.1.1.529)
(South
Africa)
mutant
makes
more
attention
than
others
previously
known.
These
variants
exhibit
many
neurological
complications.
The
of
COVID-19
are
also
involved
in
gut
microbiota
dysbiosis,
thus
enhancing
inflammation
process
which
then
causes
stroke,
diabetes
thrombosis.
Administering
vaccines
crucial
due
to
continual
introduction
concern.
Therefore,
modified
have
been
thought
as
potential
vaccines.
Journal of Medical Virology,
Journal Year:
2024,
Volume and Issue:
96(2)
Published: Feb. 1, 2024
Abstract
With
the
emergence
of
Omicron
variant,
number
pediatric
Coronavirus
Disease
2019
(COVID‐19)
cases
requiring
hospitalization
and
developing
severe
or
critical
illness
has
significantly
increased.
Machine
learning
multivariate
logistic
regression
analysis
were
used
to
predict
risk
factors
develop
prognostic
models
for
COVID‐19
in
hospitalized
children
with
variant
this
study.
Of
544
including
243
301
mild
groups,
respectively.
Fever
(92.3%)
was
most
common
symptom,
followed
by
cough
(79.4%),
convulsions
(36.8%),
vomiting
(23.2%).
The
showed
that
age
(1–3
years
old,
odds
ratio
(OR):
3.193,
95%
confidence
interval
(CI):
1.778–5.733],
comorbidity
(OR:
1.993,
CI:1.154–3.443),
0.409,
CI:0.236–0.709),
baseline
neutrophil‐to‐lymphocyte
1.108,
CI:
1.023–1.200),
lactate
dehydrogenase
1.154–3.443),
blood
urea
nitrogen
1.002,
1.000–1.003)
total
bilirubin
1.178,
1.005–3.381)
independent
COVID‐19.
area
under
curve
(AUC)
prediction
constructed
machine
(RandomForest
+
TomekLinks)
0.7770
0.8590,
top
10
important
variables
random
forest
selected
build
a
model,
an
AUC
0.8210.
Compared
regression,
could
more
accurately
infection.
Journal of Neurology Neurosurgery & Psychiatry,
Journal Year:
2023,
Volume and Issue:
unknown, P. jnnp - 332073
Published: Oct. 19, 2023
Sequelae
of
COVID-19
in
people
with
multiple
sclerosis
(PwMS)
have
not
been
characterised.
We
explored
whether
is
associated
an
increased
risk
disease
activity,
disability
worsening,
neuropsychological
distress
and
cognitive
dysfunction
during
the
18-24
months
following
SARS-COV-2
infection.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2831 - 2831
Published: Dec. 13, 2024
Although
the
impact
of
post-acute
COVID-19
syndrome
(PACS)
on
patients
and
public
health
is
undeniably
significant,
its
etiology
remains
largely
unclear.
Much
research
has
been
conducted
pathophysiology,
shedding
light
various
aspects;
however,
due
to
multitude
symptoms
clinical
conditions
that
directly
or
indirectly
define
PACS,
it
challenging
establish
definitive
causations.
In
this
exploration,
through
systematically
reviewing
latest
pathophysiological
findings
related
neurological
syndrome,
we
aim
examine
how
psychosocial
neuropsychological
may
overlap
with
ones,
they
not
only
serve
as
risk
factors
but
also
contribute
persistence
some
primary
disorder.
Findings
from
our
synthesis
suggest
psychological
factors,
such
anxiety,
depression,
loneliness,
interact
in
a
self-reinforcing
feedback
loop.
This
cycle
seems
be
affecting
both
physical
distress,
potentially
increasing
severity
PACS
symptoms.
By
pointing
out
interaction,
review
study,
attempt
offer
new
perspective
interconnected
nature
psychological,
psychosocial,
emphasizing
importance
integrated
treatment
approaches
disrupt
improve
outcomes
when
possible.
Frontiers in Medicine,
Journal Year:
2024,
Volume and Issue:
11
Published: Aug. 29, 2024
Since
the
SARS-CoV-2
outbreak
in
2019,
a
diversity
of
viral
genomic
variants
has
emerged
and
spread
globally
due
to
increased
transmissibility,
pathogenicity,
immune
evasion.
By
first
trimester
2023
Chile,
as
most
countries,
BQ
XBB
were
predominant
circulating
sub-lineages
Omicron.
The
molecular
antigenic
characteristics
these
have
been
mainly
determined
using
non-authentic
spike
pseudoviruses,
which
is
often
described
limitation.
Additionally,
few
comparative
studies
isolates
from
recent
Omicron
conducted.
In
this
study,
we
isolated
clinical
samples,
including
ancestral
B.1.1,
Delta,
BA.1,
BA.2
BA.5.
We
assessed
their
infectivity
through
cell
culture
infections
antibody
evasion
neutralization
assays.
observed
variations
plaque
size,
morphology,
cytotoxicity
upon
infection
Vero
E6-TMPRSS2
cells
for
each
variant
compared
B.1.1
virus.
BA.2-derived
sub-variants,
such
XBB.1.5,
showed
attenuated
replication,
while
BA.5-derived
variants,
BQ.1.1,
exhibited
replication
rates
similar
Similar
trends
intestinal
Caco-2
cells,
except
Delta.
Antibody
experiments
sera
individuals
infected
during
COVID-19
wave
(FWI)
consistent
but
moderate
reduction
against
sub-lineages.
Interestingly,
despite
being
less
prevalent,
BQ.1.1
6.1-fold
greater
escape
than
XBB.1.5.
Neutralization
patterns
when
tested
vaccinated
with
3xBNT162b2
(PPP)
or
Coronavac-Coronavac-BNT162b2
(CCP)
schedules.
However,
CCP
2.3-fold
higher
XBB.1.5
FWI
PPP
sera.
This
study
provides
new
insights
into
differences
between
leading
eventual
outcompetition.
Our
analysis
offers
important
evidence
regarding
balance
that
drives
evolution
second-generation
population.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: March 28, 2024
Introduction
An
unprecedented
surge
of
Omicron
infections
appeared
nationwide
in
China
December
2022
after
the
adjustment
COVID-19
response
policy.
Here,
we
report
clinical
and
genomic
characteristics
SARS-CoV-2
among
children
Shanghai
during
this
outbreak.
Methods
A
total
64
with
symptomatic
were
enrolled.
whole
genome
sequences
obtained
using
next-generation
sequencing
(NGS)
technology.
Patient
demographics
compared
between
variants.
Phylogenetic
tree,
mutation
spectrum,
impact
unique
mutations
on
proteins
analysed
silico.
Results
The
monitoring
revealed
that
emerging
BA.5.2.48
BF.7.14
dominant
more
frequently
observed
to
experience
vomiting/diarrhea
less
present
cough
patients
without
comorbidities
study.
high-frequency
non-synonymous
(N:Q241K)
(nsp2:V94L,
nsp12:L247F,
S:C1243F,
ORF7a:H47Y)
respect
their
parental
lineages.
Of
these
mutations,
ORF7a:H47Y
protein
predicted
have
a
deleterious
effect
function.
Besides,
nsp2:V94L
nsp12:L247F
destabilize
proteins.
Discussion
Further
vitro
vivo
studies
are
needed
verify
role
specific
viral
fitness.
In
addition,
continuous
manifestation
assessments
variants
will
still
be
crucial
for
effective
responses
ongoing
pandemic.
Journal of Clinical Medicine,
Journal Year:
2024,
Volume and Issue:
13(12), P. 3477 - 3477
Published: June 14, 2024
Background/Objectives:
SARS-CoV-2
continually
mutates,
with
five
identified
variants.
Many
neurological
manifestations
were
observed
during
the
COVID-19
pandemic,
differences
between
virus
The
aim
of
this
study
is
to
assess
frequency
and
characteristics
in
hospitalized
patients
over
three
waves
Poland
comparison
analysis
correlation
course
infection.
Methods:
This
retrospective
single-center
included
600
consecutive
adults
confirmed
COVID-19,
3
(pre-Delta,
Delta
Omicron)
Poland.
Demographic
clinical
information
collected
compared
across
periods.
Results:
median
age
group
was
68,
lower
wave.
In
Omicron
period,
disease
severity
at
admission
inflammatory
markers
concentration
lowest.
Neurological
49%.
most
common
altered
mentation,
headache,
myalgia,
mood
disorder,
ischemic
stroke
encephalopathy.
Smell
taste
disturbances
(STDs)
less
frequent
period.
complications
predominant
pre-Delta
Ischemic
more
often
Altered
mentation
related
higher
admission,
worse
lab
test
results,
ICU
mortality,
while
headache
reduced
mortality.
Pre-existing
dementia
Conclusions:
are
frequent,
a
rate
STDs
period
cerebrovascular
diseases
Headache
improves
comorbidities
increase
Journal of the Formosan Medical Association,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 1, 2024
Since
April
2022,
the
SARS-CoV-2
Omicron
variant
has
caused
a
notable
increase
in
pediatric
COVID-19
cases
Taiwan.
During
acute
phase
of
infection,
some
children
required
admissions
to
intensive
care
units
(PICU).
This
study
aimed
analyze
their
clinical
presentations
and
outcomes
while
exploring
associated
factors.
Medical
records
were
retrospectively
collected
from
patients
with
(aged
<18
years)
admitted
our
PICU
2022–March
2023.
Early
stage
is
defined
as
period
without
adequate
vaccination
treatment
guidelines
for
April–June
remaining
months
are
referred
late
stage.
Clinical
characteristics
compared
between
early
stages.
We
enrolled
78
COVID-19,
median
length
stay
(LOS)
3
days
5%
mortality
rate.
Patients
during
had
lower
rates
(7%
vs.
50%),
higher
logistic
organ
dysfunction
scores
(2
0.1),
longer
LOS
(6
2
days)
than
those
Multivariate
analysis
identified
admission
risk
factor
prolonged
(>7
(odds
ratio:
3.65,
p
=
0.047).
Without
available
vaccinations
suitable
guidelines,
tended
have
more
severe
illness
PICU.
These
observations
highlight
importance
familiarity
medical
providers
management
this
newly-emerging
infectious
disease.
World Journal of Pediatrics,
Journal Year:
2024,
Volume and Issue:
20(10), P. 1079 - 1089
Published: May 7, 2024
SARS-CoV-2
continues
to
mutate
over
time,
and
reports
on
children
infected
with
Omicron
BA.5
are
limited.
We
aimed
analyze
the
specific
symptoms
of
Omicron-infected
improve
patient
care.