The Health Ministry has identified four new clusters in Sabah, Selangor, Putrajaya and Kedah.br br Health director-general Tan Sri Dr Noor Hisham Abdullah said the cluster with the most cases is the Bah Ketil cluster in Langkawi, Kedah with nine people infected followed by the Selasih cluster in Putrajaya with seven cases, five in the Joo Hwa cluster, Tawau and three cases in Meru, Klang, Selangor.br br The new cluster found in Klang involved a Malaysian man aged 30.