Eucharistic miracle in Buenos Aires in 1996
The inquiry was commissioned by Cardinal Bergoglio, now Pope Francis
by Fr. Mieczysław Piotrowski, SChr
The weakening of faith in the real presence of the
Risen Christ in the Eucharist is one of the most signifi-
cant aspects of the current spiritual crisis. Jesus wants
to strengthen our faith in His Eucharistic presence. That
is why from time to time in the history of the Catholic
Church He gives us signs – Eucharistic miracles that
clearly underscore the fact that He, the Risen Lord Him-
self in the mystery of His Divinity and glorified human-
ity, is truly present in the Eucharist. The most recent
Eucharistic miracle recognized by the Church author-
ities occurred in 1996 in the capital of Argentina – Bue-
nos Aires.
A consecrated Host becomes flesh and blood
At seven o’clock in
the evening on August
18, 1996, Fr. Alejandro
Pezet was saying Holy
Mass at a Catholic church
in the commercial center
of Buenos Aires. As he
was finishing distribut-
ing Holy Communion, a
woman came up to tell
him that she had found
a discarded host on a candleholder at the back of the
church. On going to the spot indicated, Fr. Alejandro
saw the defiled Host. Since he was unable to consume
it, he placed it in a container of water and put it away in
the tabernacle of the chapel of the Blessed Sacrament.
On Monday, August 26, upon opening the tab-
ernacle, he saw to his amazement that the Host had
turned into a bloody substance. He informed Cardinal
Jorge Bergoglio, who gave instructions that the Host
be professionally photographed. The photos were
taken on September 6. They clearly show that the Host,
which had become a fragment of bloodied flesh, had
grown significantly in size. For several years the Host
remained in the tabernacle, the whole affair being kept
a strict secret. Since the Host suffered no visible de-
composition, Cardinal Bergoglio decided to have it sci-
entifically analyzed.
On October 5, 1999, in the presence of the Cardin-
al’s representatives, Dr. Castanon took a sample of the
bloody fragment and sent it to New York for analysis.
Since he did not wish to prejudice the study, he pur-
posely did not inform the team of scientists of its ori-
gin. One of these scientists was Dr. Frederic Zugiba, the
well-known cardiologist and forensic pathologist. He
determined that the analyzed substance was real flesh
and blood containing human DNA. Dr. Zugiba testified
that, “the analyzed material is a fragment of the heart
muscle found in the wall of the left ventricle close to
the valves. This muscle is responsible for the contrac-
tion of the heart.
It should be borne in mind that the
left cardiac ventricle pumps blood to all parts of the
body.
The heart muscle is in an inflammatory condition
and contains a large number of white blood cells. This
indicates that the heart was alive at the time the sample
was taken. It is my contention that the heart was alive,
since white blood cells die outside a living organism.
They require a living organism to sustain them. Thus,
their presence indicates that the heart was alive when
the sample was taken. What is more, these white blood
cells had penetrated the tissue, which further indicates
that the heart had been under severe stress, as if the
owner had been beaten severely about the chest.”
Two Australians, journalist Mike Willesee and law-
yer Ron Tesoriero, witnessed these tests. Knowing
where the sample had come from, they were dumb-
founded by Dr. Zugiba’s testimony. Mike Willesee asked
the scientist how long the white blood cells would have
remained alive if they had come from a piece of human
tissue, which had been kept in water. They would have
ceased to exist in a matter of minutes, Dr. Zugiba re-
plied. The journalist then told the doctor that the source
of the sample had first been kept in ordinary water for
a month and then for another three years in a container
of distilled water; only then had the sample been taken
for analysis.
Dr. Zugiba’s was at a loss to account for this fact.
There was no way of explaining it scientifically, he stat-
ed. Only then did Mike Willesee inform Dr. Zugiba that
the analyzed sample came from a consecrated Host
(white, unleavened bread) that had mysteriously turned
into bloody human flesh. Amazed by this information,
Dr. Zugiba replied, “How and why a consecrated Host
would change its character and become living human
flesh and blood will remain an inexplicable mystery to
science — a mystery totally beyond its competence.”
Fr. Pezet with Cardinal Bergoglio
Only faith in the extraordinary action of a God pro-
vides the reasonable answer — faith in a God, who
wants to make us aware that He is truly present in the
mystery of the Eucharist.
The Eucharistic miracle in Buenos Aires is an extra-
ordinary sign attested to by science. Through it Jesus
desires to arouse in us a lively faith in His real pres-
ence in the Eucharist. He reminds us that His presence
is real, and not symbolic. Only with the eyes of faith
do we see Him under appearance of the consecrated
bread and wine. We do not see Him with our bodily
eyes, since He is present in His glorified humanity. In
the Eucharist Jesus sees and loves us and desires to
save us.
In collaboration with Ron Tesori-
ero, Mike Willesee, one of Australia’s
best-known journalists (he con-
verted to Catholicism after working
on the documents of another Eucha-
ristic miracle) wrote a book entitled
Reason to Believe
. In it they present
documented facts of Eucharistic
miracles and other signs calling
people to faith in Christ who abides
and teaches in the Catholic Church.
They have also made a documen-
tary film on the Eucharist — based
largely on the scientific discoveries
associated with the miraculous Host
in Buenos Aires. Their aim was to
give a clear presentation of the Cath-
olic Church’s teaching on the subject of the Eucharist.
They screened the film in numerous Australian
cities. The showing at Adelaide drew a crowd of two
thousand viewers. During the commentary and ques-
tion period that followed a visibly moved man stood up
announcing that he was blind. Having learned that this
was an exceptional film, he had very much wanted to
see it. Just before the screening, he prayed fervently to
Jesus for the grace to see the film. At once his sight was
restored to him, but only for the thirty-minute duration
of the film. Upon its conclusion, he again lost the ability
to see. He confirmed this by describing in minute detail
certain scenes of the film. It was an incredible event that
moved those present to the core of their being.
Through such wondrous signs God calls souls to
conversion. If Jesus causes the Host to become vis-
ible flesh and blood, a muscle that is responsible for
the contraction of a human heart — a heart that suf-
fers like that of someone who has been beaten severely
about the chest, if He does such things, it is in order to
arouse and quicken our faith in His real presence in the
Eucharist. He thus enables us to see that Holy Mass is
a re-presentation (i.e. a making present) of the entire
drama of our salvation: Christ’s passion, death, and
resurrection. Jesus says to his disciples, “Unless you
people see signs and wonders, you will not believe”
(Jn 4: 48). There is no need to actively seek out won-
drous signs. But if Jesus chooses to give them to us,
then it behooves us to accept them with meekness and
seek to understand what He desires to tell us by them.
Thanks to these signs, many people have discovered
faith in God — the One God in the Holy Trinity, who
reveals His Son to us: Jesus Christ, who abides in the
sacraments and teaches us through Holy Scripture and
the Magisterium of the Catholic Church.
A mystery that surpasses our understanding
The Eucharist — the actual presence of the risen
person of Jesus under the appearances of bread and
wine — is one of the most important and most difficult
truths revealed to us by Christ. Eucharistic miracles are
merely visible confirmations of what
He tells us about Himself; namely,
that He really does give us His glori-
fied body and blood as spiritual food
and drink...
The Eucharist is Christ’s supreme
gift and miracle, for in it He gives us
Himself and engages us in His work
of salvation. He enables us to par-
ticipate in His victory over death, sin,
and Satan, to share in the divine na-
ture, and partake of the life of the Holy
Trinity. In the Eucharist we receive
“the medicine of immortality, the anti-
dote to death” (Encyclical
Ecclesia
de Eucharistia
, 18). For this reason,
Mother Church holds that every de-
liberate and freely willed absence from Holy Mass on
Sunday is an irretrievable spiritual loss, a sign of loss of
faith, and hence a serious sin. Let us also remember that
if “a Christian’s conscience is burdened by serious sin,
then the path of penance through the sacrament of Rec-
onciliation becomes necessary for full participation in
the Eucharistic Sacrifice” (
Ecclesia de Eucharistia
, 37).
Fr. M. Piotrowski SChr
www.loamagazine.org24
MICHAEL August/September 2013
MICHAEL August/September 2013
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