Table 1.
National vaccine coverage (VC) rates (%) registered for mandatory vaccinations, plus chicken pox at 24 months and 7 years of age, stratified by vaccine type and year of administration, along with the percentage differences between the 2019 and 2020 rates in Italy.
| Target Age Group | VPD | VC Rates (%) by Year of Vaccine Administration |
% Difference (2020 vs. 2019) | p-Value * | |
|---|---|---|---|---|---|
| 2019 | 2020 | ||||
| 24 months | Polio | 95.01 (431,723/454,396) |
94.02 (408,620/434,596) |
−0.99 | <0.001 |
| Measles | 94.49 (429,338/454,361) |
92.70 (402,868/434,596) |
−1.79 | <0.001 | |
| Chicken pox | 90.50 (411,206/454,361) |
90.28 (392,329/434,588) |
−0.22 | <0.001 | |
| 7 years | Polio | 88.62 (473,491/534,277) |
85.92 (438,304/510,132) |
−2.70 | <0.001 |
| Measles | 87.58 (467,940/534,277) |
85.82 (439,738/510,132) |
−1.76 | <0.001 | |
| Chicken pox | 38.36 (204,974/534,277) |
40.56 (208,843/510,132) |
+2.20 | <0.001 | |
* Chi-square test (2020 vs. 2019); VC: vaccination coverage; VPD: vaccine-preventable disease; data source: data from the Italian Regions/Autonomous Provinces.