Table 1.
Trends in the number of reported COVID-19 cases -total and among healthcare workers (HCW), COVID-19 hospitalisation rates, and vaccine doses administered to HCW, by week. Italy, 1 September 2020 – 28 March 2021.
| Week of diagnosis | Number of reported COVID-19 cases |
Number of reported symptomatic COVID-19 cases |
COVID-19 Hospitalisation rate (× 100,000 residents)* | Cumulative number of doses of COVID-19 vaccine administered to HCW | ||||
|---|---|---|---|---|---|---|---|---|
| Total | HCW | HCW (%) | Total | HCW | HCW (%) | |||
| 31 Aug − 6 Sep 2020 | 7055 | 245 | 3.5 | 2841 | 110 | 3.9 | 14.1 | 0 |
| 7–13 Sep 2020 | 7198 | 269 | 3.7 | 3097 | 142 | 4.6 | 17.4 | 0 |
| 14–20 Sep 2020 | 7606 | 310 | 4.1 | 3626 | 155 | 4.3 | 18.2 | 0 |
| 21–27 Sep 2020 | 8786 | 390 | 4.4 | 3898 | 154 | 4.0 | 22.2 | 0 |
| 28 Sep − 4 Oct 2020 | 12,151 | 623 | 5.1 | 5473 | 310 | 5.7 | 27.6 | 0 |
| 5–11 Oct 2020 | 25,144 | 1282 | 5.1 | 11,673 | 609 | 5.2 | 34.9 | 0 |
| 12–18 Oct 2020 | 49,860 | 2830 | 5.7 | 21,362 | 1386 | 6.5 | 55.2 | 0 |
| 19–25 Oct 2020 | 95,615 | 5249 | 5.5 | 38,234 | 2413 | 6.3 | 104.6 | 0 |
| 26 Oct − 1 Nov 2020 | 138,803 | 7382 | 5.3 | 53,796 | 2950 | 5.5 | 214.4 | 0 |
| 2–8 Nov 2020 | 165,633 | 8374 | 5.1 | 65,057 | 3129 | 4.8 | 407.6 | 0 |
| 9–15 Nov 2020 | 162,783 | 8115 | 5.0 | 68,202 | 3292 | 4.8 | 645.2 | 0 |
| 16–22 Nov 2020 | 142,136 | 7081 | 5.0 | 62,296 | 3221 | 5.2 | 835.1 | 0 |
| 23–29 Nov 2020 | 104,917 | 6116 | 5.8 | 45,756 | 2887 | 6.3 | 900.1 | 0 |
| 30 Nov − 6 Dec 2020 | 82,836 | 5941 | 7.2 | 39,234 | 3022 | 7.7 | 870.4 | 0 |
| 7–13 Dec 2020 | 69,315 | 5275 | 7.6 | 35,730 | 2944 | 8.2 | 786.4 | 0 |
| 14–20 Dec 2020 | 68,881 | 4946 | 7.2 | 36,416 | 2718 | 7.5 | 705.9 | 0 |
| 21–27 Dec 2020 | 60,286 | 4247 | 7.0 | 32,056 | 2448 | 7.6 | 626.1 | 6298 |
| 28 Dec 2020–3 Jan 2021 | 76,165 | 4460 | 5.9 | 41,030 | 2593 | 6.3 | 550.2 | 108,909 |
| 4–10 Jan 2021 | 78,892 | 4325 | 5.5 | 43,008 | 2529 | 5.9 | 501.2 | 544,734 |
| 11–17 Jan 2021 | 58,887 | 3408 | 5.8 | 30,597 | 1954 | 6.4 | 478.2 | 889,688 |
| 18–24 Jan 2021 | 52,894 | 2908 | 5.5 | 27,672 | 1655 | 6.0 | 444.5 | 1,049,841 |
| 25–31 Jan 2021 | 51,800 | 2088 | 4.0 | 27,719 | 1086 | 3.9 | 417.5 | 1,488,085 |
| 1–7 Feb 2021 | 52,052 | 1562 | 3.0 | 27,859 | 802 | 2.9 | 386.0 | 1,876,472 |
| 8–14 Feb 2021 | 52,525 | 1093 | 2.1 | 28,693 | 574 | 2.0 | 359.8 | 2,098,363 |
| 15–21 Feb 2021 | 57,241 | 848 | 1.5 | 32,171 | 460 | 1.4 | 342.9 | 2,261,837 |
| 22–28 Feb 2021 | 78,564 | 1088 | 1.4 | 43,714 | 530 | 1.2 | 327.0 | 2,385,642 |
| 1–7 Mar 2021 | 92,258 | 1076 | 1.2 | 52,001 | 505 | 1.0 | 339.8 | 2,580,392 |
| 8–14 Mar 20 | 101,360 | 1179 | 1.2 | 58,173 | 554 | 1.0 | 385.0 | 2,761,142 |
| 15–21 Mar 2021 | 96,907 | 1138 | 1.2 | 55,772 | 559 | 1.0 | 463.8 | 2,873,534 |
| 22 Mar − 28 Mar 2021 | 91,159 | 1089 | 1.2 | 47,169 | 517 | 1.1 | 583.5 | 2,977,506 |
*
Hospitalisation rate is presented with one week lag and refers to the previous week as indicated in the first column. This is to account for the delay between infection and diagnosis in HCW.