
In a statement, health director-general Dr Noor Hisham Abdullah said they are known as the Tembok Choh cluster in Johor; Broga construction site cluster in Selangor; Jalan Stesen construction site, Berjaya Slot and Jalan Nikolas clusters in Kuala Lumpur; Gerbang Pongsu cluster in Perak; Damai Ketari cluster in Pahang and Alor cluster involving Kedah and Kuala Lumpur.
The Tembok Choh cluster, involving Johor Bahru, Pontian, Kota Tinggi, Kulai and Mersing in Johor, was detected from targeted screenings at a detention centre on Dec 24.
As of today, 1,020 individuals have been screened, of whom 382 were found positive.
The cases for the Broga construction site cluster in Hulu Langat, Selangor, were identified on Dec 27 after screenings at the site.
Of the 318 people screened so far, 64 tested positive.
On the Jalan Stesen construction site cluster, Noor Hisham said the positive cases were detected through targeted screenings at the construction site on Dec 21.
The cluster, located in Lembah Pantai, Kuala Lumpur, has a total of 54 positive cases from screenings involving 607 individuals.

For the Slot Berjaya cluster, also in Lembah Pantai, Kuala Lumpur, Noor Hisham said it was detected through a workplace screening on Dec 30.
Of the 44 people screened so far, nine tested positive.
The Jalan Nikolas cluster in Titiwangsa, Kuala Lumpur, was also identified after a workplace screening on Dec 30.
A total of 54 individuals have been screened, with six testing positive.
The Gerbang Pongsu cluster, located in Kerian and Kinta in Perak, began after an individual tested positive from a screening on Dec 24.
As of today, 53 people have undergone screening, of whom eight were found positive.
Meanwhile, the Damai Ketari cluster in Bentong, Pahang was identified when the index case tested positive after exhibiting symptoms on Dec 29.
So far, 65 people have been screened, with 21 testing positive.
On the Alor cluster, which involves Kota Setar in Kedah and Titiwangsa as well as Cheras in Kuala Lumpur, Noor Hisham said the index case had tested positive through a screening on Dec 25.
A total of 33 people have been screened, 20 of which are positive.
Meanwhile, Noor Hisham announced that five clusters have officially ended today, bringing the total number of active clusters to 223. They are the Sungai Mulia construction site, Assumption, Blok 31, Tanjung Bunga and Jeri clusters.
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