Dhaka, April 9 -- It has also asked them not to gather at graveyards and shrines on the occasion on Thursday to avoid spreading the contagion.

Muslim men offer special prayers at mosques, families exchange bread and sweets, and give handouts to the poor on the occasion of Shab-e-Barat, but this year the celebrations have come amid a nationwide shutdown to stem the outbreak.

The strict measures to prevent the spread of the virus include restrictions on prayers at mosques.

In a notice on Wednesday, the Islamic Foundation said people visit graveyards and shrines to offer prayers and give handouts to the poor.

But this year, it advised, such gatherings should be avoided to reduce the risk of a larger outbreak.

It also asked the authoriti...