medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 20, 2023
There
are
many
COVID-19
vaccines
currently
available,
however,
Low-
and
middle-income
countries
(LMIC)
still
have
large
proportions
of
their
populations
unvaccinated.
Decision-makers
must
decide
how
to
effectively
allocate
available
(e.g.
boosters
or
primary
series
vaccination,
which
age
groups
target)
but
LMIC
often
lack
the
resources
undergo
quantitative
analyses
vaccine
allocation,
resulting
in
ad-hoc
policies.
We
developed
Proceedings of the Royal Society B Biological Sciences,
Год журнала:
2024,
Номер
291(2018)
Опубликована: Март 13, 2024
Mathematical
models
within
the
Ross–Macdonald
framework
increasingly
play
a
role
in
our
understanding
of
vector-borne
disease
dynamics
and
as
tools
for
assessing
scenarios
to
respond
emerging
threats.
These
threats
are
typically
characterized
by
high
degree
heterogeneity,
introducing
range
possible
complexities
challenges
maintain
link
with
empirical
evidence.
We
systematically
identified
analysed
total
77
published
papers
presenting
compartmental
West
Nile
virus
(WNV)
that
use
parameter
values
derived
from
studies.
Using
set
15
criteria,
we
measured
dissimilarity
compared
framework.
also
retrieved
purpose
type
traced
sources
their
parameters.
Our
review
highlights
increasing
refinements
WNV
models.
Models
prediction
included
highest
number
refinements.
found
uneven
distributions
evidence
values.
several
parametrizing
such
complex
For
parameters
common
most
models,
synthesize
ranges.
The
study
potential
improve
quality
applicability
policy
establishing
closer
collaboration
between
mathematical
modelling
work.
Infectious Disease Modelling,
Год журнала:
2024,
Номер
9(2), С. 501 - 518
Опубликована: Фев. 23, 2024
In
July
2023,
the
Center
of
Excellence
in
Respiratory
Pathogens
organized
a
two-day
workshop
on
infectious
diseases
modelling
and
lessons
learnt
from
Covid-19
pandemic.
This
report
summarizes
rich
discussions
that
occurred
during
workshop.
The
participants
discussed
multisource
data
integration
highlighted
benefits
combining
traditional
surveillance
with
more
novel
sources
like
mobility
data,
social
media,
wastewater
monitoring.
Significant
advancements
were
noted
development
predictive
models,
examples
various
countries
showcasing
use
machine
learning
artificial
intelligence
detecting
monitoring
disease
trends.
role
open
collaboration
between
stakeholders
was
stressed,
advocating
for
continuation
such
partnerships
beyond
A
major
gap
identified
absence
common
international
framework
sharing,
which
is
crucial
global
pandemic
preparedness.
Overall,
underscored
need
robust,
adaptable
frameworks
different
across
sectors,
as
key
elements
enhancing
future
response
Epidemics,
Год журнала:
2024,
Номер
48, С. 100784 - 100784
Опубликована: Июль 31, 2024
The
COVID-19
pandemic
demonstrated
the
key
role
that
epidemiology
and
modelling
play
in
analysing
infectious
threats
supporting
decision
making
real-time.
Motivated
by
unprecedented
volume
breadth
of
data
generated
during
pandemic,
we
review
modern
opportunities
for
analysis
to
address
questions
emerge
a
major
epidemic.
Following
broad
chronology
insights
required
-
from
understanding
initial
dynamics
retrospective
evaluation
interventions,
describe
theoretical
foundations
each
approach
underlying
intuition.
Through
series
case
studies,
illustrate
real
life
applications,
discuss
implications
future
work.
Epidemics,
Год журнала:
2023,
Номер
46, С. 100738 - 100738
Опубликована: Дек. 29, 2023
Between
December
2020
and
April
2023,
the
COVID-19
Scenario
Modeling
Hub
(SMH)
generated
operational
multi-month
projections
of
burden
in
US
to
guide
pandemic
planning
decision-making
context
high
uncertainty.
This
effort
was
born
out
an
attempt
coordinate,
synthesize
effectively
use
unprecedented
amount
predictive
modeling
that
emerged
throughout
pandemic.
Here
we
describe
history
this
massive
collective
research
effort,
process
convening
maintaining
open
hub
active
over
multiple
years,
provide
a
blueprint
for
future
efforts.
We
detail
generating
17
rounds
scenarios
at
different
stages
pandemic,
disseminating
results
public
health
community
lay
public.
also
highlight
how
SMH
expanded
generate
influenza
during
2022-23
season.
identify
key
impacts
on
draw
lessons
improve
collaborative
efforts,
scenario
projections,
interface
between
models
policy.
Epidemics,
Год журнала:
2024,
Номер
46, С. 100752 - 100752
Опубликована: Фев. 23, 2024
We
document
the
evolution
and
use
of
stochastic
agent-based
COVID-19
SIMu-lation
model
(COVSIM)
to
study
impact
population
behaviors
public
health
policy
on
disease
spread
within
age,
race/ethnicity,
urbanicity
subpopulations
in
North
Carolina.
detail
methodologies
used
complexities
COVID-19,
including
multiple
agent
attributes
(i.e.,
high-risk
medical
status),
census
tract-level
interaction
network,
state
behavior
masking,
pharmaceutical
intervention
(PI)
uptake,
quarantine,
mobility),
variants.
describe
its
uses
outside
Scenario
Modeling
Hub
(CSMH),
which
has
focused
interplay
nonpharmaceutical
interventions,
equitability
vaccine
distribution,
supporting
local
county
decision-makers
This
work
led
publications
meetings
with
a
variety
stakeholders.
When
COVSIM
joined
CSMH
January
2022,
we
found
it
was
sustainable
way
support
new
challenges
allowed
group
focus
broader
scientific
questions.
The
informed
adaptions
our
modeling
approach,
redesigning
high-performance
computing
implementation.
PLoS Computational Biology,
Год журнала:
2024,
Номер
20(10), С. e1012520 - e1012520
Опубликована: Окт. 28, 2024
Epidemiological
delays
are
key
quantities
that
inform
public
health
policy
and
clinical
practice.
They
used
as
inputs
for
mathematical
statistical
models,
which
in
turn
can
guide
control
strategies.
In
recent
work,
we
found
censoring,
right
truncation,
dynamical
bias
were
rarely
addressed
correctly
when
estimating
these
biases
large
enough
to
have
knock-on
impacts
across
a
number
of
use
cases.
Here,
formulate
checklist
best
practices
reporting
epidemiological
delays.
We
also
provide
flowchart
practitioners
based
on
their
data.
Our
examples
focused
the
incubation
period
serial
interval
due
importance
outbreak
response
modeling,
but
our
recommendations
applicable
other
The
recommendations,
literature
experience
delay
distributions
during
responses,
help
improve
robustness
utility
reported
estimates
guidance
evaluation
downstream
transmission
models
or
analyses.
Epidemics,
Год журнала:
2024,
Номер
47, С. 100753 - 100753
Опубликована: Март 2, 2024
The
COVID-19
pandemic
led
to
an
unprecedented
demand
for
projections
of
disease
burden
and
healthcare
utilization
under
scenarios
ranging
from
unmitigated
spread
strict
social
distancing
policies.
In
response,
members
the
Johns
Hopkins
Infectious
Disease
Dynamics
Group
developed
flepiMoP
(formerly
called
COVID
Scenario
Modeling
Pipeline),
a
comprehensive
open-source
software
pipeline
designed
creating
simulating
compartmental
models
infectious
transmission
inferring
parameters
through
these
models.
framework
has
been
used
extensively
produce
short-term
forecasts
longer-term
scenario
at
state
county
level
in
US,
other
countries
various
geographic
scales,
more
recently
seasonal
influenza.
this
paper,
we
highlight
how
evolved
throughout
address
changing
epidemiological
dynamics,
new
interventions,
shifts
policy-relevant
model
outputs.
As
reached
mature
state,
provide
detailed
overview
flepiMoP's
key
features
remaining
limitations,
thereby
distributing
its
documentation
as
flexible
powerful
tool
researchers
public
health
professionals
rapidly
build
deploy
large-scale
complex
any
pathogen
demographic
setup.
Epidemics,
Год журнала:
2024,
Номер
47, С. 100759 - 100759
Опубликована: Март 2, 2024
Over
the
past
several
years,
emergence
of
novel
SARS-CoV-2
variants
has
led
to
multiple
waves
increased
COVID-19
incidence.
When
Omicron
variant
emerged,
there
was
considerable
concern
about
its
potential
impact
in
winter
2021-2022
due
fitness.
However,
also
uncertainty
regarding
likely
questions
relative
transmissibility,
severity,
and
degree
immune
escape.
We
sought
evaluate
ability
an
agent-based
model
forecast
incidence
context
this
emerging
pathogen
variant.
To
project
cases
deaths
Indiana,
we
calibrated
our
hospitalizations,
deaths,
test-positivity
rates
through
November
2021,
then
projected
April
2022
under
four
different
scenarios
that
covered
plausible
ranges
Omicron's
Our
initial
projections
from
December
2021
March
indicated
a
pessimistic
scenario
with
high
disease
peak
weekly
Indiana
would
be
larger
than
previous
2020.
retrospective
analyses
indicate
severity
closer
optimistic
scenario,
even
though
hospitalizations
reached
new
peak,
fewer
occurred
during
peak.
According
results,
rapid
spread
consistent
combination
higher
transmissibility
escape
earlier
variants.
updated
starting
January
accurately
predicted
mid-January
decline
rapidly
over
next
months.
The
performance
shows
following
variant,
models
can
help
quantify
range
outbreak
magnitudes
trajectories.
Agent-based
are
particularly
useful
these
because
they
efficiently
track
individual
vaccination
infection
histories
varying
degrees
cross-protection.