5/10 Confirmed positive: 325,254 (increase of 1,745) COVID-19 variants of concern (VOC) confirmed cases: 1,175 of B.1.1.7 UK variant (increase of 39); 48 of B.1.351 South Africa variant (increase of 1); 35 of P.1 Brazilian variant (increase of 1) VOC R(t): 1.34 (no change as of March 15)* 7-day average of daily new cases: 1,480 (increase of 53) Resolved: 304,789 (increase of 1,296), 93.7% of all cases (decrease of 0.1%) Positivity rate: 3.3% (increase of 0.2%) Hospitalizations: 759 (increase of 29) Hospitalizations in ICU: 309 (increase of 5) Hospitalizations in ICU on ventilator: 176 (decrease of 10) Deaths: 7,212 (increase of 10) 7-day average of daily new deaths: 12 (decrease of 1) Deaths of residents in long-term care homes: 3,888 (no change) Total tests completed: 11,981,432 (increase of 56,134) Tests under investigation: 29,545 (decrease of 2,785) Vaccination doses administered: 1,420,599 (increase of 61,146) People fully vaccinated (two doses): 294,749 (increase of 2,480), 2.0% of Ontario's population (est. 70-90% required for herd immunity) *R(t) is a virus's effective reproduction number, which is the average number of new infections caused by a single infected individual at a specific time (t) in a partially immunized population. To successfully eliminate a disease from a population, R(t) needs to be less than 1.