Epidemiological and Clinical Characteristics, Transmissibility, and Associated Factors of HAdV in Wuhan, China (2023-2024): Insights from a Multi-Center Public Health Surveillance System
Abstract
Background
Human
adenovirus
is
not
a
notifiable
disease
in
China,
making
surveillance
essential,
especially
as
respiratory
illnesses
rise
after
COVID-19.
This
study
explores
its
characteristics
and
the
factors
affecting
incidence.
Methods
From
2023
to
2024,
we
used
multi-center
system
Wuhan
identify
human
infections.
We
conducted
descriptive
analyses
examine
characteristics,
mathematical
models
estimate
transmissibility,
applied
generalized
additive
analyze
associated
factors.
Two
prediction
were
forecast
future
epidemics.
Results
Here
show
that
2.17%
of
683,868
individuals
infections;
53.59%
required
hospitalization,
fewer
than
1%
severe
or
fatal.
Infections
more
common
males
(1.70%-3.69%
vs.
1.60%-3.08%)
children
≤14
years
(610.96
<100.00
per
100,000),
while
hospitalized,
illness
death
occurred
mainly
older
adults
(91.94%
<60.00%
for
hospitalized;
2.86%
<2.00%
severe;
1.23%
<0.05%
death).
Seasonal
peaks
observed
winter
spring,
with
symptoms
including
fever
cough
(>49.00%).
The
0.35%
developed
acute
hepatitis.
basic
reproduction
number
(
)
was
0.91,
median
real-time
transmission
()
1.00.
Higher
incidences
colder
weather,
stronger
winds,
higher
air
pollution
(NO₂,
O3),
internet
search
activity,
population
mobility.
Forecasts
suggest
several
infection
waves
beginning
mid-2024,
peaking
early
2025.
Conclusions
Although
prevalence
transmissibility
remain
low,
can
cause
serious
outcomes
elderly.
Ongoing
vaccine
development
before
during
epidemic
seasons
are
essential
reduce
impact.
Published: May 8, 2025
Language: Английский