Table 2.

Summary of Intervention Strategies Considered

Intervention Strategy	Description
Inter0	No intervention
Inter1	Isolation of symptomatic cases & testing of new admissions (2 tests) and social distancing and restricted visiting (referred to as the reference intervention).
Inter2	Inter1 and 14-d compulsory isolation for new admissions regardless of the result of their tests
Inter3	Inter1 and adaptive testing (ie, testing staff and residents and the care home is closed to new admissions when there is a symptomatic case, reopening when all symptomatic and confirmed residents recover)
Inter4	Inter3 and 14-d compulsory isolation for new admissions
Inter5	Inter1 and weekly testing of residents
Inter6	Inter1 and weekly testing of staff
Inter7	Inter1 and weekly testing of staff and residents
Inter8	Inter6 and 14-d compulsory isolation for new admissions
Inter9	Inter7 and 14-d compulsory isolation for new admissions