Johor recorded the highest number of Covid-19 cases since the beginning of the pandemic with 607 cases or 32.5% of the new 1,870 cases recorded on Wednesday (Dec 30).
According to the Health Ministry, the new 1,870 cases meant that the total number of cases in Malaysia is now up to 110,485.
Out of the 607 cases in Johor, 578 or 95.2% of them came from active clusters and the screening of Covid-19 in the state.
The Health Ministry said the increase of cases in Johor was mainly due to the prison cluster called Tembok Choh cluster, which reported 374 cases.
There were also six new fatalities recorded on Wednesday, bringing the death toll to 463.
The Health Ministry also reported that Selangor recorded 472 new cases while Sabah has 280 cases as of Wednesday.
There are 131 cases that are currently being treated in the intensive care unit (ICU), where 62 of them need respiratory aids.
At the same time, the Health Ministry said there were 745 cases that recovered from Covid-19, bringing the total amount of recoveries to 87,460 cases or 79.2% of total cases.
Meanwhile, 402 or 21.5% of new cases came from clusters in lockups, immigration detention depots, and prisons, consisting of 374 cases in the Tembok Choh cluster, eight cases in Penjara Jalan Harapan cluster, Pagar Bentong cluster (six), Tembok Mempaga (four), Tembok (four), Pagar Siput (three), Tembok Gajah (two) and Hala Mutiara (one).