A foreign worker undergoes a swab test during a Covid-19 screening exercise at Padang Polo, George Town May 14, 2020. — Picture by Sayuti Zainudin

KUALA LUMPUR, Nov 30 — Beginning tomorrow, employers will have to conduct Covid-19 screening tests for foreign workers at several factories identified by the Human Resource Ministry, said Senior Minister (Security Cluster) Datuk Seri Ismail Sabri Yaakob.