Epidemiological monitoring of sewage sludge and wastewater from an upflow anaerobic sludge blanket reactor using SARS-CoV-2 as a model
Water Science & Technology,
Journal Year:
2025,
Volume and Issue:
91(4), P. 333 - 343
Published: Feb. 4, 2025
ABSTRACT
This
study
explores
the
potential
of
sludge-based
monitoring
from
an
upflow
anaerobic
sludge
blanket
reactor
for
epidemiological
surveillance,
using
SARS-CoV-2
as
a
model.
We
monitored
copy
numbers
and
mutations,
compared
concentrations
in
to
wastewater
samples
taken
on
same
days.
From
January
August
2021,
32
were
analyzed;
30
(93%)
positive
SARS-CoV-2,
varied
0.147
2.314
copies
×106/L.
In
collected
days,
31
(96%)
ranged
0.058
3.014
The
concentration
rose
along
with
confirmed
hospitalization
cases
March,
while
2
weeks
earlier
new
cases.
Mutations
variants
concern,
Gamma
Delta,
identified
months
that
they
became
dominant
corresponding
regions.
Our
results
indicate
that,
although
sewage
was
not
effective
anticipating
infection
numbers,
it
is
promising
way
gain
insight
into
situation
city
or
region.
Language: Английский
Wastewater-based epidemiology of SARS-CoV-2 and the development of early warning system: challenges and lessons learned after two years of weekly surveillance in the Brazilian Federal District
Published: Feb. 1, 2025
Language: Английский
Examining the Impact of Different Scales on COVID-19 Monitoring in Sewerage Catchment Areas: Insights from Latvia
Journal of Hazardous Materials Advances,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100676 - 100676
Published: March 1, 2025
Language: Английский
Behind the bars: Wastewater-based surveillance of SARS-CoV-2, and its variants in prison wastewater
Heliyon,
Journal Year:
2025,
Volume and Issue:
11(6), P. e43063 - e43063
Published: March 1, 2025
Language: Английский
Wastewater-Based Epidemiology for Analysis of Human Papillomavirus Infections in a Uruguayan Urban Area
C Fernandez-Sabatella,
No information about this author
Gustavo Corrales,
No information about this author
Lucas Monzón
No information about this author
et al.
Food and Environmental Virology,
Journal Year:
2025,
Volume and Issue:
17(2)
Published: April 29, 2025
Language: Английский
COVID-19 impact on wind and solar energy sector and cost of energy prediction based on machine learning
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(17), P. e36662 - e36662
Published: Aug. 24, 2024
This
study
examines
the
impact
of
COVID-19
pandemic
on
renewable
energy
sectors
across
seven
countries
through
techno-economic
analysis
and
machine
learning
(ML).
In
China,
fraction
decreased
in
grid-connected
systems
due
to
14.6
%
higher
diesel
fuel
prices.
They
reduced
grid
electricity
prices,
with
Cost
Energy
(COE)
reductions
driven
by
a
2.8
inflation
decrease
3
discount
rate
cut.
The
increase
adoption
USA
during
was
initial
operational
costs
components,
significant
rise
government
policy
changes,
despite
reduction
sell-back
prices
rising
capital
annual
expanded
capacity.
Canada
noted
shift
standalone
50
lower
PV
2
WT
48
cost
rise,
reducing
COE
except
grid/WT
scenarios.
Germany
managed
costs,
decreasing
inflation.
India
HRESs
sevenfold
capacity
increase,
lowering
COE.
Japan
saw
stable
minimal
variation.
Iran
faced
economic
challenges
104
impacting
decrease.
Machine
forecasts
suggest
that
may
cause
an
China
effects.
Language: Английский
An evaluation of a new rapid qPCR test for the detection of 2019-novel coronavirus nucleocapsid (N1) gene in wastewater in Roanoke and Salem VA sewersheds
Journal of Water and Health,
Journal Year:
2024,
Volume and Issue:
22(8), P. 1419 - 1428
Published: Aug. 1, 2024
ABSTRACT
The
COVID-19
pandemic
initiated
public
interest
in
wastewater-based
epidemiology
(WBE).
Public
and
private
entities
responded
to
the
need
produce
timely
accurate
data.
LuminUltra
Hach
partnered
provide
a
rapid,
field-based
quantitative
polymerase
chain
reaction
(qPCR)
test
for
detecting
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
wastewater.
This
study
evaluates
GeneCount
SARS-CoV-2
Wastewater
RT-qPCR
Assay
Kit
GeneCount®
Q-16
RT-PCR
instrument.
methods
were
compared
Promega
Wizard®
Enviro
Total
Nucleic
Acid
kit
Bio-Rad
CFX
Opus
96
Real-time
PCR
Detection
System.
Over
12-week
period,
wastewater
samples
collected
weekly
from
seven
locations
Roanoke/Salem,
VA
sewersheds.
Concentration
extraction
of
viral
RNA
followed
by
qPCR
analysis.
target
gene
detection
was
nucleocapsid
(N1)
virus.
Costs,
ease
use,
time
results,
sample
preparation,
data
comparisons
considered.
comparison
determined
that
method
instrument
more
affordable,
consumed
less
time,
required
technical
expertise.
While
new
specific,
it
had
low
sensitivity.
evaluation
suggests
should
be
reserved
limited
situations
requiring
onsite
field
analysis
where
accuracy
is
not
essential.
Language: Английский