Since the first cases were identified in 2019, COVID-19 has caused a global pandemic which has disrupted economies and caused significant morbidity and mortality. With COVID-19 predominantly spread through aerosols and those in close contact at the highest risk, concern was voiced that institutions such as prisons would be at risk of large outbreaks (Burki, 2020), exacerbated by overcrowding and poor health of imprisoned people (Davies et al., 2020; Fazel et al., 2001). Coupled with difficulties implementing basic infection prevention and control measures because of limited access to handwashing points, crowded conditions, little control over social distancing, and movement of both staff and people, it was expected that prisons would become a hotspot for COVID-19 outbreaks (Burki, 2020).