Biology Methods and Protocols,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: Jan. 1, 2023
Case
detection
through
contact
tracing
is
a
key
intervention
during
an
infectious
disease
outbreak.
However,
intensive
process
where
given
tracer
must
locate
not
only
confirmed
cases
but
also
identify
and
interview
known
contacts.
Often
these
data
are
manually
recorded.
During
emerging
outbreaks,
the
number
of
contacts
could
expand
rapidly
beyond
this,
when
focused
on
individual
transmission
chains,
larger
patterns
may
be
identified.
Understanding
if
particular
can
clustered
linked
to
common
source
help
prioritize
effects
understand
underlying
risk
factors
for
large
spreading
events.
Electronic
health
records
systems
used
by
vast
majority
private
healthcare
across
USA,
providing
potential
way
automatically
detect
outbreaks
connect
already
collected
data.
In
this
analysis,
we
propose
algorithm
case
clusters
within
community
outbreak
using
Bayesian
probabilistic
linking
explore
how
approach
supplement
responses;
especially
human
resources
limited.
mSphere,
Journal Year:
2024,
Volume and Issue:
9(5)
Published: May 7, 2024
ABSTRACT
Wastewater
surveillance
can
reveal
population-level
infectious
disease
burden
and
emergent
public
health
threats
be
reliably
assessed
through
wastewater
surveillance.
While
molecular
methods
for
monitoring
of
microorganisms
have
traditionally
relied
on
PCR-based
approaches,
next-generation
sequencing
(NGS)
provide
deeper
insights
via
genomic
analyses
multiple
diverse
pathogens.
We
conducted
a
year-long
1,408
composite
samples
collected
from
12
neighborhood-level
access
points
in
the
greater
Tempe
area,
Arizona,
USA,
show
that
variation
viruses
is
driven
by
seasonal
time
location.
The
temporal
dynamics
were
influenced
cyclically,
with
most
dissimilarity
between
23
weeks
apart
(i.e.,
winter
vs
summer,
spring
fall).
identified
urinary
enteric
including
polyomaviruses,
astroviruses,
noroviruses,
showed
their
genotypes/subtypes
shifted
across
seasons.
while
data
certain
respiratory
like
severe
acute
syndrome
coronavirus
2
(SARS-CoV-2)
strongly
correlate
clinical
case
rates,
laboratory-reported
incidences
discordant
surges
high
viral
load
other
human
229E.
These
results
demonstrate
utility
informing
decision-making
health.
IMPORTANCE
into
spread
pathogens
communities.
Advances
methodologies
allow
more
precise
detection
wastewater.
Long-term
an
important
tool
preparedness.
This
system
act
as
observatory
gives
real-time
early
warning
outbreaks
improved
response
times.
Journal of Exposure Science & Environmental Epidemiology,
Journal Year:
2024,
Volume and Issue:
34(3), P. 387 - 388
Published: May 1, 2024
Wastewater-based
epidemiology
(WBE),
also
known
as
wastewater-based
surveillance,
is
a
rapidly
evolving
scientific
discipline
that
leverages
community
wastewater
to
assess
population
health
in
near
real-time
[1].This
accomplished
by
measuring
captured
human
excreted
biomarkers
composited
are
indicative
of
various
aspects
health,
behavior,
exposure,
and
activity.Since
the
early
2000s,
WBE
has
been
used
beneficial
tool
for
monitoring
population-level
substance
use,
most
recently
gained
widespread
public
exposure
during
COVID-19
global
pandemic,
where
SARS-CoV-2
reaffirmed
early-warning
capabilities
potential
reveal
hotspots
infection
not
otherwise
detected
individualized
clinical
surveillance
[2].These
applications
demonstrated
inclusive,
minimally
invasive,
cost-effective,
benefits
WBE.The
articles
included
Journal
Exposure
Science
Environmental
Epidemiology
Special
Topic:
"Wastewater-based
Assess
Environmentally
Influenced
Disease"
cover
range
topics
explore
interconnectedness
between
humans
environment
using
analysis,
including:
(i)
establishing
new
targets
assessments
from
wastewater,
particularly
infectious
diseases,
(ii)
conducting
simultaneous
measurements
chemical
biological
indicators
exposures
associated
impact,
(iii)
evaluating
utility
wastewater-informed
data
prompt
contextually-relevant
interventions
vulnerable
populations
it
relates
environmental
connectivity
rural,
lowresource,
non-sewered
settings.
Food and Environmental Virology,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: Jan. 6, 2025
Abstract
Capsid
Integrity
qPCR
(CI-qPCR)
assays
offer
a
promising
alternative
to
cell
culture-based
infectivity
for
assessing
pathogenic
human
virus
viability
in
wastewater.
This
study
compared
three
CI-qPCR
methods:
two
novel
(Crosslinker,
TruTiter)
and
one
established
(PMAxx
dye).
These
methods
were
evaluated
on
heat-inactivated
non-heat-inactivated
‘live’
viruses
spiked
into
phosphate-buffered
saline
(
PBS)
wastewater,
as
well
naturally
present
wastewater
samples.
The
viral
panel
included
Human
adenovirus
5
(HAdV),
enterovirus
A71
(EV),
hepatitis-A
(HAV),
influenza-A
H3N2
(IAV),
respiratory
syncytial
A2
(RSV),
norovirus
GI,
GII,
SARS-CoV-2.
All
successfully
differentiated
between
degraded,
heat-inactivated,
live
PBS.
While
all
comparable
HAdV
PMAxx
detected
significantly
lower
gene
copies
EV
IAV.
In
yielded
(HAdV,
EV,
HAV,
IAV,
RSV)
the
Crosslinker
TruTiter
methods.
For
(un-spiked),
no
significant
difference
was
observed
Intact,
potentially
infectious
using
both
untreated
treated
A
comparative
analysis
of
data
TEM
images
revealed
that
flocculation
IAV
may
interfere
with
capsid
integrity
intercalating
dyes.
summary,
our
findings
not
only
advance
development
more
effective
but
also
highlight
potential
techniques
enhance
early
warning
systems
emerging
pathogens,
thereby
strengthening
public
health
preparedness
response
strategies.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
898, P. 165458 - 165458
Published: July 14, 2023
Wastewater
surveillance
of
SARS-CoV-2
proved
useful,
including
for
identifying
the
local
appearance
newly
identified
virus
variants.
Previous
studies
focused
on
wastewater
treatment
plants
(WWTP)
with
sewersheds
several
hundred
thousand
people
or
at
single
building
level,
representing
only
a
small
number
people.
Both
approaches
may
prove
inadequate
small-scale
intra-urban
inferences
early
detection
emerging
novel
Our
study
aims
(i)
to
analyze
nucleotide
variants
(SNVs)
in
sub-sewersheds
and
WWTP
using
whole
genome
sequencing
order
(ii)
investigate
potential
known
concern
(VOC)
within
metropolitan
system.
We
selected
three
sub-sewershed
sampling
sites,
based
estimated
population-
built
environment-related
indicators,
inlet
receiving
Ruhr
region,
Germany.
Untreated
was
sampled
weekly
between
October
December
2021,
total
22
samples
collected.
RNA
analyzed
by
RT-qPCR
sequencing.
For
all
samples,
sequences
were
obtained,
while
13
positive
RT-qPCR.
multiple
specific
SNVs
WWTP.
Identified
reflected
dominance
VOC
Delta
time
sampling.
Interestingly,
we
could
identify
an
Omicron-specific
SNV
one
sub-sewershed.
A
concurrent
same
detected
Omicron
week
later.
observations
suggest
that
approach
particularly
useful
description
spatially
confined
existing
circulating
populations.
Future
applying
strategies
taking
into
account
features
system
will
be
temporal
spatial
variance
more
detail.