新加坡卫生部本周四（4月28日）新确认528例新冠病毒感染病例，其中511例来自住在宿舍的外国客工，7例来自宿舍外的外国客工。。
The Ministry of Health (MOH) has confirmed on Friday (Apr 28) 528 new Covid-19 cases, amongst which 511 are foreign workers living in dormitories, 7 are living outside dormitories.
新增7个病例居住在社区，包括13个公民或永久居民，2个工作准证持有者和1个访问准证。
Apart from them, there are 16 cases from community, including 13 citizens or permanent residents, 2 work pass holders and 1 visit pass holder
卫生部同时宣布4个新的感染群。
The MOH also announced 4 new clusters.