PUTRAJAYA, April 16 -- Health authorities have not detected Covid-19 clusters involving migrant workers, Datuk Dr Noor Hisham Abdullah said today.

The Health director-general said district health offices (PKD) were still actively screening such group and the Health Ministry could focus on high-risk areas with large populations of foreign workers.

"The screening is ongoing together with our PKD. So far, as I said, we have not seen a cluster formation. It is a continuous process," he said, referring to the screening activities.

"There are two groups and we are actually looking into it. One is the old folks' home and this is exactly what happened in Singapore, and the foreign workers. So we have actually worked with the Welfare Department...