The Federation of Synagogues has ordered its shuls to shut “until further notice”, saying the protection of the community takes precedence over all other mitzvot.
Earlier in the week, the organisation had told synagogues to avoid large gatherings for minyanim.
But in a notice signed by its new rabbinic head Rabbi Shraga Feivel Zimmerman and Beth Din head Dayan Yisroel Lichtenstein, it says that shuls, yeshivot and schools must now close.
It warned against holding private minyanim in houses as an alternative.