Good Friday Prayer and "perfidious" Jews.

Good Firday, commemorating Christ's death on the Cross, falls on April
2 this year. The Good Friday prayer in Catholicism has traditionally
used the term "perfidious" Jews. What exactly does this refer to and
is it considered anti-semitic? Does the Novus Ordo Church still use
this term? How can Catholics be considered anti-semitic when we
worship Jesus, who is Jewish and is known as the Messiah, the Divine
Son of God, the Second Person of the Holy Trinity and King of the