Confirmed cases on Diamond Princess () Date (JST) Tested (cumulative) Confirmed (cumulative) Notes and ref(s) 3 February Berthed at the Port of Yokohama 5 February 31 10 [69] 6 February 102 20 Calculated from reports[69][70] 7 February 273 61 [70] 8 February 279 64 [71] 9 February 336 70 [72] 10 February 439 135 [73] 12 February 492 174 Calculated from reports[73][74] 13 February 713 218 [74] 15 February 930 285 Includes 73 asymptomatic cases[75] 16 February 1,219 355 Includes 111 asymptomatic cases[76] 17 February 1,723 454 Includes 189 asymptomatic cases[30] 18 February 2,404 542 Includes 254 asymptomatic cases[77] 19 February 3,011 621 Includes 322 asymptomatic cases[78] 20 February 3,063 634 Includes 328 asymptomatic cases[79] 26 February 4,061 705 Includes 392 asymptomatic cases[80] 5 March 3,618*1 696*2 Includes 410 asymptomatic cases[81] *1: Actual number of individuals tested. *2: Excluding cases found after disembarkation.