… total observed numbers of index, secondary and hospital-based secondary cases at the end
… case counts for each of the three transmission settings (reservoir, community, hospital). We …

… an outbreak can be controlled only if case isolation reduces transmission by at least a factor
of four (… When general contact precautions cut hospital transmission by half (figure 2d), case …

… Hospital (SGH), the last case of intrahospital transmission was on April 15. In National University
Hospital (NUH), the last case of intrahospital transmission … index cases for each hospital …

… For both the hospital-derived transmission model and the control model, we assume that
only the index case or the control index case is infected with SARS and that there are no other …

… cases (19.4%) originated at Pyeongtaek St. Mary’s Hospital where the outbreak was started
by the index case… 1st generation cases infected by the index case, the 2nd generation cases …

… case, contact tracing would immediately commence. The following 2 types of contacts during
the index case's … within 2 meters of the COVID-19 case for a cumulative duration of ≥15 …

… Sixty index cases with COVID-19 were selected, being 30 HCW index cases from Hospital
São Paulo (HSP) and its 93 household contacts and 30 index case patients from Hospital …

… We assume that the index case was infectious at the time of the contacts, as evidenced by …
index case and was diagnosed SARS-CoV-2 positive. We cannot exclude that the index case …

… We estimated that this super-spreading index case was 76.8 times as infectious as a single
infectious staff member, but that other patients were much less infectious than staff, α P =…

… many cases of infection have not been recognized and isolated in time.3, 5, 18 Similarly,
in the Republic of Korea, almost all cases are suspected to have been hospital acquired, …