Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2459 - 2459
Published: Nov. 29, 2024
Wastewater-based
surveillance
(WBS)
has
been
widely
used
to
track
SARS-CoV-2
as
well
many
other
viruses
in
communities
during
the
COVID
pandemic
and
post-pandemic.
However,
it
is
still
not
clear
how
temperature
storage
time
would
influence
stability
of
wastewater.
In
this
study,
we
assessed
SARS-CoV-2,
pepper
mild
mottle
virus
(PMMoV),
influenza
A
(IAV)
B
(IBV),
respiratory
syncytial
(RSV),
enteric
raw
wastewater
stored
at
room
temperature,
4
°C,
−20
°C
for
3
6
days.
PMMoV,
IAV,
were
found
be
stable
up
days
after
storing
or
°C.
RSV
more
susceptible
freeze–thaw
cycles
compared
PMMoV
viruses,
which
relatively
Low
detection
IBV
made
difficult
evaluate
impact.
Based
on
our
findings,
conclude
that
short-term
transportation
samples
within
ambient
acceptable
majority
these
viruses.
Freezing
even
short
periods
recommended
WBS
The
data
obtained
from
study
can
provide
guidance
quality
assurance
purposes
operational
aspects
surveillance.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
946, P. 174419 - 174419
Published: July 2, 2024
Wastewater-based
epidemiology
(WBE)
is
a
critical
tool
for
monitoring
community
health.
Although
much
attention
has
focused
on
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2),
causative
agent
of
disease
2019
(COVID-19),
other
pathogens
also
pose
significant
health
risks.
This
study
quantified
the
presence
SARS-CoV-2,
influenza
A
virus
(Inf-A),
and
noroviruses
genogroups
I
(NoV-GI)
II
(NoV-GII)
in
wastewater
samples
collected
weekly
(n
=
170)
from
July
2023
to
February
2024
five
treatment
plants
(WWTPs)
Yamanashi
Prefecture,
Japan,
by
quantitative
PCR.
Inf-A
RNA
exhibited
localized
prevalence
with
positive
ratios
59
%–82
%
different
WWTPs,
suggesting
regional
outbreaks
within
specific
areas.
NoV-GI
(94
%,
160/170)
NoV-GII
(100
170/170)
were
highly
prevalent,
(6.1
±
0.8
log10
copies/L)
consistently
exceeding
(5.4
0.7
concentrations.
SARS-CoV-2
was
detected
100
samples,
mean
concentrations
5.3
0.5
copies/L
WWTP
E
5.8
0.4
each
WWTPs.
Seasonal
variability
evident,
higher
all
pathogenic
viruses
during
winter.
Non-normalized
normalized
fecal
indicator
bacteria
(Escherichia
coli
total
coliforms),
an
(pepper
mild
mottle
(PMMoV)),
turbidity
revealed
associations
reported
cases.
+
GII
showed
strong
correlations
gastroenteritis
cases,
particularly
when
E.
(Spearman's
ρ
0.70–0.81)
coliforms
(ρ
0.70–0.81),
respectively.
For
non-normalized
correlation
0.61,
decreasing
0.31
PMMoV,
that
PMMoV
unsuitable.
Turbidity
normalization
yielded
suboptimal
results.
underscored
importance
selecting
suitable
parameters
tailored
accurate
trend
using
WBE,
demonstrating
its
utility
beyond
COVID-19
surveillance.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
908, P. 167845 - 167845
Published: Nov. 16, 2023
This
study
investigated
the
decay
rates
of
wastewater-associated
markers
and
enteric
viruses
in
laboratory
microcosms
mimicking
estuarine
water
environments
temperate
Sydney,
NSW,
Australia
using
qPCR
RT-qPCR
assays.
The
results
demonstrated
reduction
concentrations
Bacteroides
HF183,
Lachnospiraceae
Lachno3,
cross-assembly
phage
(crAssphage),
pepper
mild
mottle
virus
(PMMoV),
human
adenovirus
(HAdV
40/41),
enterovirus
(EV)
over
a
span
42
days
under
spring/summer
temperatures,
presence/absence
microbiota,
different
light
conditions.
found
that
crAssphage,
PMMoV,
HAdV
40/41,
EV
exhibited
varying
depending
on
experimental
average
T
Microbiology Spectrum,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
ABSTRACT
Testing
for
the
causative
agent
of
coronavirus
disease
2019
(COVID-19),
severe
acute
respiratory
syndrome
2
(SARS-CoV-2),
has
been
crucial
in
tracking
spread
and
informing
public
health
decisions.
Wastewater-based
epidemiology
helped
to
alleviate
some
strain
testing
through
broader,
population-level
surveillance,
applied
widely
on
college
campuses.
However,
questions
remain
about
impact
various
sampling
methods,
target
types,
environmental
factors,
infrastructure
variables
SARS-CoV-2
detection.
Here,
we
present
a
data
set
over
800
wastewater
samples
that
sheds
light
influence
variety
these
factors
quantification
using
droplet
digital
PCR
(ddPCR)
from
building-specific
sewage
infrastructure.
We
consistently
quantified
significantly
higher
number
copies
virus
per
liter
nucleocapsid
(N2)
compared
1
(N1),
regardless
method
(grab
vs
composite).
further
show
dormitory-specific
differences
abundance,
including
correlations
dormitory
population
size.
Environmental
like
precipitation
temperature
little
no
load,
with
exception
temperatures
grab
sample
data.
observed
gene
copy
numbers
Omicron
variant
than
Delta
within
ductile
iron
pipes
but
difference
abundance
(N1
or
N2)
across
three
different
pipe
types
our
set.
Our
results
indicate
contextual
should
be
considered
when
interpreting
wastewater-based
epidemiological
IMPORTANCE
viral
RNA
is
shed
by
symptomatic
asymptomatic
infected
individuals,
allowing
its
genetic
material
detected
wastewater.
used
measure
several
dormitories
Appalachian
State
University
campus
examined
quantification.
Changes
were
based
type,
as
well
trends
variants
method.
These
highlight
value
applying
data-inquiry
practices
this
study
better
contextualize
results.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: June 2, 2025
The
detection
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
RNA
in
sewage
is
well-established,
but
the
concomitant
changes
microbial
compositions
during
pandemic
remain
insufficiently
explored.
This
study
investigates
impact
SARS-CoV-2
virus
on
raw
sewage,
utilizing
high-throughput
16S
rRNA
amplicon
sequencing
to
analyze
wastewater
samples
collected
from
six
dormitories
over
a
one-year
field
trial
at
University
Tennessee,
Knoxville.
concentration
was
assessed
using
reverse
transcription-quantitative
polymerase
chain
reaction.
Significant
variations
bacterial
composition
were
evident
across
dormitories,
highlighting
importance
independently
considering
spatial
differences
when
evaluating
microbiome.
Positive
for
exhibited
prominent
representation
exclusive
species
all
coupled
with
significantly
reduced
diversity
compared
negative
samples.
correlation
observed
between
relative
abundance
enteric
pathogens
and
potential
sampling
sites
introduces
significant
dimension
our
understanding
COVID-19,
especially
notable
positive
Furthermore,
may
be
linked
enduring
effects
dysbiosis
COVID-19
recovery.
These
findings
provide
valuable
insights
into
dynamics
pandemic.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Nov. 23, 2023
Inadequate
sampling
approaches
to
wastewater
analyses
can
introduce
biases,
leading
inaccurate
results
such
as
false
negatives
and
significant
over-
or
underestimation
of
average
daily
viral
concentrations,
due
the
sporadic
nature
input.
To
address
this
challenge,
we
conducted
a
field
trial
within
University
Tennessee
residence
halls,
employing
different
composite
modes
that
encompassed
time
intervals
(1
h,
2
4
6
24
h)
across
various
windows
(morning,
afternoon,
evening,
late-night).
Our
primary
objective
was
identify
optimal
approach
for
generating
representative
samples
SARS-CoV-2
from
raw
wastewater.
Utilizing
reverse
transcription-quantitative
polymerase
chain
reaction,
quantified
levels
RNA
pepper
mild
mottle
virus
(PMMoV)
in
sewage.
findings
consistently
demonstrated
PMMoV
RNA,
an
indicator
human
fecal
contamination
water
environment,
exhibited
higher
abundance
lower
variability
compared
pathogenic
RNA.
Significantly,
both
greater
1
h
individual
throughout
entire
period,
contrasting
with
stability
observed
other
time-based
samples.
Through
comprehensive
analysis
using
Quade
Nonparametric
ANCOVA
test
date,
concentration
site
covariates,
concluded
sampler
during
focused
morning
window
is
pragmatic
cost-effective
strategy
achieving
single
day
wastewater-based
epidemiology
applications.
This
method
has
potential
significantly
enhance
accuracy
reliability
data
collected
at
community
level,
thereby
contributing
more
informed
public
health
decision-making
pandemic.
Before
December
2020,
Antarctica
had
remained
free
of
Covid-19
cases.
The
main
concern
during
the
pandemic
was
limited
health
facilities
available
at
Antarctic
stations
to
deal
with
disease,
as
well
potential
impact
SARS-CoV-2
on
wildlife
through
reverse
zoonosis.
In
60
cases
emerged
in
Chilean
stations,
disrupting
summer
campaign
ongoing
isolation
needs.
RNA
detected
wastewater
several
scientific
stations.
Antarctica,
treated
is
discharged
directly
into
seawater.
No
studies
currently
address
recovery
infectious
virus
particles
from
wastewater,
but
their
presence
raises
risk
infecting
and
initiating
new
replication
cycles.
This
study
highlights
initial
detection
identifying
viral
via
RT-qPCR
targeting
various
genomic
regions.
virus's
found
effluent
two
plants
Maxwell
Bay
O’Higgins
Station
King
George
Island
Peninsula,
respectively.
explores
for
zoonotic
transmission
humans
due
direct
release
implications
such
underscore
need
continued
vigilance
research.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 13, 2024
Abstract
The
detection
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
RNA
in
sewage
is
well-established,
but
the
concomitant
changes
microbial
compositions
during
pandemic
remain
insufficiently
explored.
This
study
investigates
impact
SARS-CoV-2
virus
on
raw
sewage,
utilizing
16S
rRNA
sequencing
to
analyze
wastewater
samples
collected
from
six
dormitories
over
a
one-year
field
trial
at
University
Tennessee,
Knoxville.
concentration
was
assessed
using
reverse
transcription-quantitative
polymerase
chain
reaction.
Significant
variations
bacterial
composition
were
evident
across
dormitories,
highlighting
importance
independently
considering
spatial
differences
when
evaluating
microbiome.
Positive
for
exhibited
prominent
representation
exclusive
species
all
coupled
with
significantly
reduced
diversity
compared
negative
samples.
correlation
observed
between
relative
abundance
enteric
pathogens
and
potential
sampling
sites
introduces
significant
dimension
our
understanding
COVID-19,
especially
notable
positive
Furthermore,
may
be
linked
enduring
effects
dysbiosis
COVID-19
recovery.
These
findings
provide
valuable
insights
into
dynamics
pandemic.