China will offer Zika health screenings for travelers from Singapore and other affected countries, the quarantine bureau said Wednesday, without explaining whether the tests would be compulsory.

China has previously announced that it would step up checks on people and goods from the Singapore, where more than 240 locally transmitted cases of the Zika virus have been confirmed, including in more than 20 Chinese nationals.

Individuals traveling from Singapore and other affected countries who show Zika symptoms should report to quarantine officials when entering China, the General Administration of Quality Supervision, Inspection and Quarantine said in a statement posted on its website.