President Donald Trump has also been criticized for failing to call out virulent anti-Semitism among some of his supporters.
The Vatican's decision to recognize Palestine as a sovereign state on Wednesday angered Israeli officials.
The move comes four days before the canonization of two Palestinian nuns and solidifies the standing of Palestinian President Mahmoud Abbas, who is scheduled to meet with Pope Francis at the Vatican on Saturday.
Anti-Semitic incidents in the U.S. spiked 21 percent last year, unsettling many American Jews who thought hatred of Jews and Judaism was on the decline at home.
A doctor refused to treat an elderly Jewish woman: “Send her to Gaza for a few hours, then she will get rid of the pain.”
The Presbyterian Church (USA) has removed from its website a booklet that many Jewish groups have criticized as hostile to Israel and denigrating to Judaism.
"Zionism Unsettled," published in January by the church-chartered Israel/Palestine Mission Network, is a history and commentary on the Israeli-Palestinian conflict that paints Israel as the aggressor and describes Zionism as inherently racist and theologically flawed.
The first global study of anti-Semitic attitudes shows that more than a quarter of the world's population harbors intense anti-Jewish sentiment, with region, more than religion, shaping people's view of Jews and Judaism.
The poll, released Tuesday by the New York-based Anti-Defamation League, also finds that a large proportion of the world has never heard of the Holocaust or denies historical accounts of it.
Of those polled, 46 percent have either not heard of the Holocaust that killed 6 million Jews or think it is a myth or exaggerated.