Revista Eletrônica Multidisciplinar de Investigação Científica,
Год журнала:
2023,
Номер
2(5), С. 1 - 11
Опубликована: Июль 7, 2023
valia
para
entendimento
dos
casos,
uma
vez
que
RNA
de
vírus
pode
ser
encontrado
em
amostras
esgoto
sanitário.A
metodologia
com
análise
artigos
sites
e
repositórios
também
traz
grande
relevância
cientifica
se
torna
algo
a
explorado
cada
mais
no
ambiente
pesquisa.
The Science of The Total Environment,
Год журнала:
2024,
Номер
924, С. 171566 - 171566
Опубликована: Март 9, 2024
Wastewater
surveillance
is
a
valuable
tool
that
can
be
used
to
track
infectious
diseases
in
community.
In
September
2020,
the
Centers
for
Disease
Control
and
Prevention
(CDC)
established
National
Surveillance
System
(NWSS)
coordinate
build
nation's
capacity
detect
quantify
concentrations
of
SARS-CoV-2
RNA
U.S.
wastewater.
This
first
summary
NWSS,
covering
1,
2020
December
31,
2022.
Through
partnerships
with
state,
tribal,
local,
territorial
health
departments,
NWSS
became
national
platform
readily
expanded
adapted
meet
changing
public
needs.
Beginning
209
sampling
sites
rapidly
>1500
by
2022,
≈47
%
population.
As
>152,000
unique
wastewater
samples
have
been
collected
partners,
primarily
from
treatment
plants
(WWTPs).
WWTPs
participating
tend
larger
than
average
WWTP
serve
more
populated
communities.
≈8
nearly
16,000
were
NWSS.
partners
variety
methods
testing
samples;
however,
progress
being
made
standardize
these
methods.
July
2021,
started
submitting
genome
sequencing
data
October
monkeypox
virus
testing,
plans
include
additional
disease
targets
future.
rapid
implementation
expansion
important
lessons
learned.
programs
should
consider
both
surge
long-term
capacities
when
developing
an
plan,
early
standardization
facilitate
comparisons
across
sites.
has
proven
flexible
sustainable
system
will
continue
useful
complement
case-based
guiding
action.
The Science of The Total Environment,
Год журнала:
2025,
Номер
970, С. 178939 - 178939
Опубликована: Март 1, 2025
Multiplex
digital
PCR
(dPCR)
approaches
are
commonly
employed
in
wastewater-based
epidemiology
(WBE)
studies.
However,
optimizing
the
dPCR
workflow
is
a
critical
step
to
ensure
its
reliability
and
accuracy
before
application.
In
this
study,
6-plex
Crystal
Digital
PCR®
(cdPCR)
was
optimized
for
simultaneous
detection
of
six
epidemiologically
important
pathogens,
including
three
enteric
viruses,
noroviruses
genogroups
I
II
(NoV-GI
GII)
enteroviruses
(EnV),
respiratory
severe
acute
syndrome
coronavirus
2
(SARS-CoV-2),
which
causative
agent
disease
2019
(COVID-19),
influenza
A
virus
(InfA),
syncytial
B
(RSVB),
wastewater.
Four
cDNA
input
ratios
(20
%-70
%)
two
extraction
kits
were
evaluated
optimization,
with
30
%
AllPrep
PowerViral
DNA/RNA
Kit
(Qiagen)
exhibiting
optimal
performance.
The
cdPCR
assay
applied
year-long
wastewater
surveillance
study
Japan
(n
=
52),
revealing
distinct
trends
prevalence
viruses.
NoV-GII
detected
96
samples
highest
mean
concentration
(6.1
±
0.6
log10
copies/L),
while
SARS-CoV-2
InfA
60
50
samples,
respectively,
reflected
circulation
these
pathogens
within
community.
Notably,
RSVB
less
frequently
(25
%),
line
fewer
cases
reported
during
period.
concentrations
EnV
showed
significant
positive
correlations
hand
foot
mouth
herpangina
cases,
respectively.
no
observed
RSV
COVID-19,
possibly
due
testing
RSVA
more
prevalent
also
cluster
outbreaks.
These
findings
demonstrated
utility
detecting
provided
insights
into
community
trends,
representing
an
advancement
WBE.
The Science of The Total Environment,
Год журнала:
2023,
Номер
882, С. 163487 - 163487
Опубликована: Апрель 15, 2023
A
rapid
virus
concentration
method
is
needed
to
get
high
throughput.
Reliable
results
of
severe
acute
respiratory
syndrome
coronavirus-2
(SARS-CoV-2)
detection
in
wastewater
are
necessary
for
applications
wastewater-based
epidemiology.
In
this
study,
an
automated
filtration
using
a
concentrating
pipette
(CP
Select;
Innovaprep)
was
applied
detect
SARS-CoV-2
samples
with
several
modifications
increase
its
sensitivity
and
The
performance
the
CP
Select
compared
other
methods
(polyethylene
glycol
precipitation
direct
capture
silica
column)
evaluate
applicability
wastewater.
RNA
successfully
detected
six
eight
method,
whereas
could
all
samples.
Enteric
viruses,
such
as
noroviruses
genogroups
I
(NoVs-GI)
II
(NoVs-GII)
enteroviruses,
were
tested,
resulting
100
%
NoVs-GII
methods.
As
NoVs-GI
gave
comparable
number
This
study
showed
that
optimized
less
sensitive
than
methods,
applicable
or
recover
viruses
Microorganisms,
Год журнала:
2024,
Номер
12(7), С. 1430 - 1430
Опубликована: Июль 14, 2024
Wastewater
monitoring
provides
essential
information
about
water
quality
and
the
degree
of
contamination.
Monitoring
these
waters
helps
identify
manage
risks
to
public
health,
prevent
spread
disease,
protect
environment.
Standardizing
appropriate
most
accurate
methods
for
isolation
identification
viruses
in
wastewater
is
necessary.
This
review
aims
present
major
classes
wastewater,
as
well
concentration,
isolation,
assess
health
implement
corrective
measures
control
viral
infections.
Last
but
not
least,
we
propose
evaluate
current
strategies
treatment
new
alternative
disinfection.
Environmental Science and Pollution Research,
Год журнала:
2023,
Номер
30(48), С. 106660 - 106670
Опубликована: Сен. 21, 2023
Crucial
information
on
the
pandemic's
spread
has
been
gathered
by
monitoring
trend
of
SARS-CoV-2
in
wastewater.
This
surveillance
highlighted
that
initial
concentration
is
a
critical
step
analytical
procedure
due
to
low
viral
titer
may
be
present
this
matrix.
paper
presents
results
evaluation
two
different
wastewater
protocols
determine
most
efficient
and
cost-effective.
The
methods
tested
were
following:
(a)
biphasic
separation
system
with
PEG-dextran
(b)
PEG/NaCl
precipitation
protocol.
Other
aspects
detection
method
also
investigated
including
influence
storage
temperature
virus
recovery
heat
treatment
pasteurization,
which
aims
make
samples
safer
for
operators
environment.
was
found
perform
better
than
system,
allowing
more
sensitive
identification
presence
higher
identified
all
results.
Storage
at
4.3±0.2°C
up
3
weeks
did
not
adversely
affect
pasteurization
pre-treatment
increases
operator
safety
maintains
concentration.
Abstract
Background
After
the
occurrence
of
COVID-19
pandemic,
detection
other
disseminated
respiratory
viruses
using
highly
sensitive
molecular
methods
was
declared
essential
for
monitoring
spread
health-threatening
in
communities.
The
development
multiplex
assays
are
simultaneous
such
even
at
low
concentrations.
In
present
study,
a
and
specific
one-step
droplet
digital
PCR
(RT-ddPCR)
assay
developed
absolute
quantification
influenza
A
(IAV),
B
(IBV),
syncytial
virus
(RSV),
beta-2-microglobulin
transcript
as
an
endogenous
internal
control
(IC
B2M).
Results
first
evaluated
analytical
sensitivity
specificity,
linearity,
reproducibility,
recovery
rates
with
excellent
performance
characteristics
then
applied
to
37
wastewater
samples
previously
commercially
available
in-house
quantitative
real-time
reverse
transcription
(RT-qPCR)
assays.
IAV
detected
16/37
(43%),
IBV
19/37
(51%),
RSV
10/37
(27%)
samples.
Direct
comparison
RT-qPCR
showed
statistically
significant
high
agreement
(kappa
Cohen’s
correlation
coefficient:
0.834,
p
=
0.001)
(kappa:
0.773,
between
two
assays,
while
results
0.355,
0.27)
good
without
statistical
significance.
Conclusions
Overall,
ddPCR
is
cost-effective,
specific,
can
simultaneously
detect
three
common
complex
matrix
Due
its
resistance
inhibitors,
could
be
further
used
early
warning
system
monitoring.