Their second RT-PCR test with positive results were taken upon arrival in Sarawak airports four and five days respectively after their first test in Sabah with negative results.
The Sarawak state government says the JKR engineer was infected before entering Sarawak, while MOH suspects she may have contracted Covid-19 in Sarawak.
MOH says the construction of Sri Aman Hospital, which started in 2016 and is scheduled for completion in June 2021, may face delays due to the shortage of foreign workers during the Covid-19 outbreak.