The Senate has suspended all public hearings in the Senate till further notice.
The Senate president who announced shortly after a close door session this Thursday said the suspension is because of the issue of Covid 19

https://www.radionigeriakaduna.gov.ng/blog/2020/03/19/breaking-katsinas-suspected-coronavirus-case-tests-negative/
Senator Ahmad Lawan further announced the suspension of public gallery where some journalist watch the Senate proceedings
He further explained all excursion for schools has been suspended till further notice beginning Tuesday next week.