Contagion dynamics on higher-order networks
Nature Reviews Physics,
Год журнала:
2024,
Номер
6(8), С. 468 - 482
Опубликована: Июль 5, 2024
Язык: Английский
Addressing current limitations of household transmission studies by collecting contact data
American Journal of Epidemiology,
Год журнала:
2024,
Номер
193(12), С. 1832 - 1839
Опубликована: Июнь 6, 2024
Abstract
Modeling
studies
of
household
transmission
data
have
helped
characterize
the
role
children
in
influenza
and
coronavirus
disease
2019
(COVID-19)
epidemics.
However,
estimates
from
these
may
be
biased
since
they
do
not
account
for
heterogeneous
nature
contacts.
Here,
we
quantified
impact
contact
heterogeneity
between
members
on
estimation
child
relative
susceptibility
infectivity.
We
simulated
epidemics
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)-like
virus-like
infections
a
synthetic
population
1000
households,
assuming
levels.
Relative
frequencies
were
derived
study
according
to
which
contacts
are
more
frequent
father–mother
pair,
followed
by
child–mother,
child–child,
finally
child–father
pairs.
Child
infectivity
then
estimated
while
accounting
or
not.
When
ignoring
heterogeneity,
was
underestimated
approximately
20%
two
scenarios.
when
adults
had
different
These
results
sensitive
our
assumptions
European-style
patterns;
but
highlight
that
collecting
both
needed
assess
complex
behavior
improve
key
biological
parameters.
Язык: Английский
Environmental and behavioral factors associated with household transmission of SARS-CoV-2 in children and adolescents
Frontiers in Pediatrics,
Год журнала:
2023,
Номер
11
Опубликована: Окт. 20, 2023
To
analyze
the
association
between
risk
behaviors
and
environmental
factors
SARS-CoV-2
infection
in
children
adolescents
family
environment.Cross-sectional
study.
A
total
of
267
aged
5-19
years
who
have
contact
with
COVID-19-positive
essential
workers
were
tested
June
October
2020.
Behavioral
variables
associated
investigated.
Association
these
was
performed
using
Poisson
regression.SARS-CoV-2
prevalence
25.1%.
Following
confirmation
COVID-19
diagnosis
index
case,
92.1%
adults
reported
hand
hygiene
83.5%
showed
habits
respiratory
etiquette.
However,
12.7%
wore
masks
common
areas
residence
before
COVID-19.
Sharing
objects
a
factor
for
sample.Sharing
among
members
identified
as
lived
infected
adults.
There
high
frequency
low
mask
use.
Язык: Английский
Association Between Oral Microbiota and Close-Range Proximity in a Primary School
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 27, 2024
Abstract
The
microbiota
is
the
ensemble
of
microorganisms
inhabiting
human
body
and
it
deeply
influences
health
well-being.
Recent
studies
showed
its
interplay
with
social
behavior,
suggesting
that
part
might
be
socially
transmissible.
In
this
work,
we
investigate
association
between
closerange
proximity
oral
composition
in
a
group
children
attending
primary
school.
Unlike
most
related
studies,
our
cohort
comprises
non-cohabiting
individuals,
use
high-resolution
sensors
to
objectively
measure
interactions.
Our
analysis
shows
prolonged
interactions
pairs
correlate
higher
similarity
their
microbiota.
These
findings
complement
what
known
for
co-habiting
transmitted
settings.
Язык: Английский