Journal of Vaccines and Immunology,
Journal Year:
2023,
Volume and Issue:
10(1), P. 001 - 005
Published: Feb. 8, 2023
The
COVID-19
pandemic
of
2020
shook
the
world
with
its
unprecedented
scale,
affecting
over
700
million
people
and
causing
nearly
7
deaths
globally.
In
response,
rapid
extraordinary
measures
were
taken,
including
development
distribution
vaccines
at
an
pace.
However,
speed
magnitude
response
have
raised
questions
about
efficacy
ethics
certain
measures.
To
address
these
concerns,
we
present
a
non-comprehensive
list
contentious
issues
that
merit
discussion
investigation
by
scientific
medical
communities.
These
encompass
public
education,
ethical
considerations,
legal
implications,
policy
decisions,
regulatory
oversight,
gaps
in
knowledge,
concerns
related
to
mass
vaccination
efforts.
By
examining
topics,
aim
improve
future
crisis
responses
maintain
trust
participation
programs.
It
is
essential
learn
from
successes
shortcomings
better
prepare
for
health
crises
ensure
safety
well-being
communities
worldwide.
BMJ Public Health,
Journal Year:
2025,
Volume and Issue:
3(1), P. e001836 - e001836
Published: Jan. 1, 2025
Excess
mortality
has
been
frequently
used
worldwide
for
summarising
the
COVID-19
pandemic-related
burden.
Estimates
France
years
2020-2022
vary
substantially
from
one
report
to
another,
and
year
2023
is
poorly
documented.
The
present
study
assessed
level
of
excess
that
occurred
in
between
2020
together
with
corresponding
life
lost
(YLL),
order
provide
a
reliable,
detailed
comprehensive
description
overall
impact
pandemic.
This
open
cohort
whole
French
population
analysed
8
451
372
death
occurrences
reported
2010-2023.
A
Poisson
regression
model
was
trained
2010-2019
determining
age-specific
sex-specific
evolution
trends
before
pandemic
period.
These
were
then
estimating
during
period
(years
2020-2023).
expectancies
persons
YLL.
From
2023,
number
deaths
(mean
(95%
CI)
(percentage
change
versus
expected
mortality))
was,
respectively,
49
541
(48
467;
50
616)
(+8.0%),
42
667
(41
410;
43
909)
(+6.9%),
53
129
(51
696;
54
551)
(+8.5%),
17
355
(15
760;
18
917)
(+2.8%).
Corresponding
YLL
512
753
(496
029;
529
633),
583
580
(564
137;
602
747),
663
588
(641
863;
685
723),
312
133
(288
051;
335
929).
Individuals
younger
than
60
old
accounted
17%
2020,
26%
2021,
32%
2022
50%
2023.
Men
more
affected
women
by
both
highlights
long-lasting
on
France,
four
consecutive
growing
people
under
60,
particularly
men,
suggesting
lasting
profound
disruption
healthcare
system.
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(49)
Published: Nov. 29, 2023
Excess
deaths
provide
total
impact
estimates
of
major
crises,
such
as
the
COVID-19
pandemic.
We
evaluated
excess
death
trajectories
across
countries
with
accurate
registration
and
population
age
structure
data
assessed
relationships
vulnerability
indicators.
Using
Human
Mortality
Database
on
34
countries,
were
calculated
for
2020–2023
(to
week
29,
2023)
using
2017–2019
reference,
adjustment
5
strata.
Countries
divided
into
less
more
vulnerable;
latter
had
per
capita
nominal
GDP
<
$30,000,
Gini
>
0.35
income
inequality
and/or
at
least
≥2.5%
their
living
in
poverty.
(as
proportion
expected
deaths,
p%)
inversely
correlated
(
r
=
−0.60),
poverty
0.66),
modestly
0.45).
Incidence
rate
ratio
was
1.062
(95%
CI,
1.038–1.087)
versus
vulnerable
countries.
started
deviating
two
groups
after
first
wave.
Between-country
heterogeneity
diminished
gradually
within
each
group.
Less
mean
p%
−0.8%
0.4%
0–64
>65-y-old
More
7.0%
7.2%,
respectively.
Lower
rates
seen
children
0–14
y
during
prepandemic
years.
While
pandemic
hit
some
earlier
than
others,
country
dominated
eventually
cumulative
impact.
Half
analyzed
witnessed
no
substantial
levels,
while
others
suffered
tolls.
JMIR Public Health and Surveillance,
Journal Year:
2025,
Volume and Issue:
11, P. e56877 - e56877
Published: April 17, 2025
Abstract
Background
Concerns
have
been
raised
about
discrepancies
in
COVID-19
mortality
data,
particularly
between
preliminary
and
final
datasets
of
vital
statistics
Serbia.
In
the
original
dataset,
released
daily
during
ongoing
pandemic,
there
was
an
underestimation
deaths
contrast
to
those
reported
subsequently
yearly
dataset
statistics.
Objective
This
study
aimed
assess
accuracy
justify
its
use
further
analyses.
addition,
we
quantified
relative
impact
on
death
rate
Serbian
capital’s
population.
process,
explore
whether
any
evidence
cause-of-death
misattribution
existed
published
datasets.
Methods
Data
were
sourced
from
electronic
databases
Statistical
Office
Republic
The
included
recorded
causes
all
citizens
currently
living
territory
Belgrade,
capital
Serbia,
2015
2021.
Standardization
modeling
techniques
utilized
quantify
direct
estimate
excess
deaths.
To
account
for
year-to-year
trends,
used
a
mixed-effects
hierarchical
Poisson
generalized
linear
regression
model
predict
2020
fitted
data
observed
2019
generate
predictions
Actual
rates
then
compared
obtained
estimates.
Results
total
number
deaths,
calculated
estimates,
3175
(99%
CI
1715-4094)
8321
6975-9197)
ratio
estimated
1.07.
increase
2021
12.93%
15.74%-17.33%)
39.32%
35.91%-39.32%)
expected
values,
respectively.
Those
aged
0‐19
years
experienced
average
decrease
22.43%
23.71%
2021,
For
up
39
years,
slight
(4.72%)
2020.
However,
even
20‐39
had
32.95%.
people
60‐79
16.95%
38.50%
>80
at
11.50%
34.14%
model-predicted
matched
non-COVID-19
Belgrade.
concordance
predicted
provides
that
did
not
occur
Conclusions
finalized
Belgrade
can
be
safely
analysis.
significant
with
most
attributable
SARS-CoV-2.
increased
other
than
seem
misplaced
as
their
appears
negligible.
Journal of the Royal Statistical Society Series A (Statistics in Society),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 2, 2024
Abstract
Quantifying
the
number
of
deaths
caused
by
COVID-19
crisis
has
been
an
ongoing
challenge
for
scientists,
and
no
golden
standard
to
do
so
yet
established.
We
propose
a
principled
approach
calculate
age-adjusted
yearly
excess
mortality
apply
it
obtain
estimates
uncertainty
bounds
30
countries
with
publicly
available
data.
The
results
uncover
considerable
variation
in
pandemic
outcomes
across
different
countries.
further
compare
our
findings
existing
published
other
major
scientific
outlets,
highlighting
importance
proper
age
adjustment
unbiased
figures.
Infectious Disease Reports,
Journal Year:
2023,
Volume and Issue:
15(5), P. 600 - 634
Published: Oct. 8, 2023
Since
2020,
COVID-19
has
caused
serious
mortality
around
the
world.
Given
ambiguity
in
establishing
as
direct
cause
of
death,
we
first
investigate
effects
age
and
sex
on
all-cause
during
2020
2021
England
Wales.
infectious
agents
have
their
own
unique
profile
for
use
a
9-year
time
series
several
different
methods
to
adjust
single-year-of-age
deaths
Wales
2019
(the
pre-COVID-19
base
year)
pathogen-neutral
baseline.
This
adjusted
year
is
then
used
confirm
widely
reported
higher
males
most
ages
above
43
both
2021.
During
(+COVID-19
but
no
vaccination),
male
female
population-adjusted
significantly
increased
35.
A
significant
reduction
among
females
aged
75+
could
be
demonstrated
widespread
vaccination
period;
however,
below
75
progressively
increased.
finding
arises
from
mix
coverage
year-of-age
profiles
SARS-CoV-2
variants.
In
addition,
specific
puberty
were
demonstrated,
where
had
than
males.
There
evidence
that
year-of-birth
cohorts
may
also
involved,
indicating
immune
priming
pathogen
outbreaks
past
led
lower
some
birth
cohorts.
To
specifically
identify
variants
2023,
employ
proportion
total
at
each
are
potentially
due
or
‘with’
COVID-19.
The
original
Wuhan
strain
Alpha
variant
show
somewhat
limited
divergence
profile,
with
shifting
moderately
84.
Delta
targeted
individuals
65.
Omicron
showed
overall
mortality,
markedly
relative
65,
steeply
increasing
maximum
100
years
age.
similar
can
seen
age-banded
US
states,
although
they
slightly
obscured
by
using
bands
rather
single
However,
data
shows
greatly
dependent
COVID
variant.
Deaths
assessed
‘due
to’
(as
opposed
‘involving’
COVID-19)
especially
overestimated
change
mortality.
arose
by-product
an
increase
testing
capacity
late
2020.
Potential
structure–function
mechanisms
age-specificity
discussed,
along
potential
roles
small
noncoding
RNAs
(miRNAs).
Using
England,
it
possible
unvaccinated
do
indeed
death
alters
shape
manner
age,
sex,
question
posed
whether
vaccines
based
carry
profile.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: April 26, 2023
Excess
deaths
provide
total
impact
estimates
of
major
crises,
such
as
the
COVID-19
pandemic.
We
evaluated
excess
death's
trajectories
during
2020-2023
across
countries
with
accurate
death
registration
and
population
age
structure
data;
assessed
relationships
economic
indicators
vulnerability.
Using
Human
Mortality
Database
on
34
countries,
were
calculated
for
(to
week
29,
2023)
using
2017-2019
reference,
weekly
expected
calculations
adjustment
5
strata.
Countries
divided
into
less
more
vulnerable;
latter
had
per
capita
nominal
GDP<$30,000,
Gini>0.35
income
inequality
and/or
at
least
2.5%
their
living
in
poverty.
(as
proportion
deaths,
p%)
inversely
correlated
GDP
(r=-0.60),
poverty
(r=0.66)
modestly
(r=0.45).
Incidence
rate
ratio
was
1.06
(95%
confidence
interval,
1.04-1.08)
versus
vulnerable
countries.
started
deviating
two
groups
after
first
wave.
Between-country
heterogeneity
diminished
over
time
within
each
groups.
Less
mean
p%=-0.8%
0.4%
0-64
>65
year-old
strata
while
p%=7.0%
7.2%,
respectively.
Usually
lower
rates
seen
children
0-14
years
old
pre-pandemic
years.
While
pandemic
hit
some
earlier
than
others,
country
vulnerability
dominated
eventually
cumulative
impact.
Half
analyzed
witnessed
no
substantial
levels,
other
half
suffered
tolls.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 4, 2024
ABSTRACT
Estimating
global
lives
and
life-years
saved
is
important
to
put
into
perspective
the
benefits
of
COVID-19
vaccination.
Prior
studies
have
focused
mainly
on
pre-Omicron
period
or
only
specific
regions,
lack
crucial
life-year
calculations,
often
depend
strong
modeling
assumptions
with
unaccounted
uncertainty.
We
aimed
calculate
by
vaccination
worldwide
from
onset
campaigns
until
October
2024.
considered
different
strata
according
age;
community-dwelling
long-term
care
residence
status;
Omicron
periods;
before
after
a
SARS-CoV-2
infection.
In
main
analysis,
2.533
million
deaths
were
averted.
Eighty-two
percent
among
people
vaccinated
any
infection,
57%
in
period,
90%
pertained
60
years
above.
Sensitivity
analyses
suggested
1.4
4.0
saved.
Some
sensitivity
showed
preponderance
benefit
during
period.
estimated
14.8
(sensitivity
range,
7.4-23.6
life-years).
Most
(76%)
over
old,
but
residents
contributed
2%
total.
Children
adolescents
(0.01%
0.1%
saved)
young
adults
20-29
old
(0.07%
0.3%
had
very
small
contributions
total
benefit.
Based
number
assumptions,
these
estimates
are
substantially
more
conservative
than
previous
calculations
focusing
mostly
first
year
vaccination,
they
still
undeniably
demonstrate
major
overall
2020-2024.
The
vast
majority
was
secured
for
portion
elderly
minority
population.