The Industri Indah cluster is a workplace cluster in Klang with its first case found positive on Jan 28 in a targeted screening at a factory in Kapar. Some 87 people have been screened with 47 testing positive. The Jalan Klang construction site cluster is a workplace cluster in Lembah Pantai, Kuala Lumpur with its first cases detected today in a targeted screening. Some 370 were screened , with 50 testing positive. The Jalan Vista construction site cluster is a workplace cluster in Cheras, Kuala Lumpur with its first cases detected on Jan 20 in a targeted screening. To date 462 were screened , with 47 testing positive. The Jalan Kota Burok cluster involves factory workers in Muar, Johor. The index case was detected on Jan 23 during a test taken before leaving the country. To date 51 have been screened , with 30 testing positive.