The Nigeria Centre for Disease Control has on Thursday stated that schools had been directed to conduct COVID-19 risk assessment every week.
This was contained in an electronic mail sent to PUNCH from the NCDC.
The local governments and states were directed to conduct monthly and quarterly COVID-19 risk assessment in schools respectively.
Also on Thursday, the Presidential Task Force on COVID-19 said the Federal Government would seize passports of travellers who failed to carry out COVID-19 test.
It added that visas of foreign travellers would be cancelled.