「保安羣組」(或者叫「醫觀酒店保安羣組」、「隔離酒店保安羣組」 、「酒店保安羣組」) 、，係指喺2021年9月下旬到10月下旬武漢肺炎澳門疫情入面，6個保安系用作隔離酒店用途嘅金皇冠中國大酒店受到一名從外國返黎澳門入住哥間酒店做隔離嘅土耳其籍澳門居民傳染，經過左病毒基因排序後證實呢個羣組感染左Delta變種病毒株。「裝修羣組」(或者叫「裝修工人羣組」)， 因為兩個羣組曾經有兩個患者一齊搭過同一部澳門25號巴士嘅車並且摸過同一條柱而受到交叉感染，至今呢個羣組有6個染左武漢肺炎，系經過呢個病毒基因排序證實同「保安羣組」相同。此外，「裝修羣組」揭發左兩個越南籍外地僱員第74例同第75例確診患者系黑工。 呢次疫情導致澳門特區政府系9月下旬同10月上旬，開展左兩次全民核酸檢測計劃，並開展左分區防控精準方案。對多個確診者居住地方進行圍封。民防行動中心由9月25號凌晨12點鐘開始到10月15日中午12點鐘，宣佈全澳門進入「即時預防狀態」。截至，呢次疫情總共有13人確診。
"Security Group" (also known as "Medical View Hotel Security Group", "Quarantine Hotel Security Group", "Hotel Security Group"), refers to the epidemic of Wuhan pneumonia in Macau from late September to late October 2021, when 6 security guards were used for quarantine hotel at Golden Crown China Hotel was infected by a Turkey Macau resident who returned from foreign countries to stay in the Gojian Hotel for quarantine, and the virus genetic sequencing confirmed that this group was infected with the Delta variant virus strain. The "Renovation Group" (or "Renovation Workers Group"), because two patients in the two groups had been cross-infected by the same bus on the same Macau No. 25 bus and touched the same column, and so far 6 of them in this group have been infected with Wuhan pneumonia, which has been confirmed by the genetic sequencing of the virus to be the same as the "security group". In addition, the "Renovation Cluster" revealed that the 74th and 75th confirmed cases of two Viet Nam non-resident workers were illegal workers. As a result of the epidemic, the Macao SAR Government launched two nationwide nucleic acid testing programs in late September and early October, and carried out a precise prevention and control plan for different regions. Fence off the residences of multiple confirmed cases. From 12 a.m. on September 25 to 12 noon on October 15, the Civil Defence Operations Center announced that the whole of Macao has entered an "immediate precautionary state". As of now, a total of 13 people have been confirmed in this outbreak.