Table 2. Estimates for COVID-19 vaccine effectiveness against infections, hospitalizations, and deaths, by one and two doses, 4th wave of pandemic in Kosovo, July 26, 2021, to September 26, 2021.
| Study outcome | Partially vaccinated | Completely vaccinated | ||||
|---|---|---|---|---|---|---|
| Vaccinated/Total | VE (%) | 95% CI | Vaccinated/Total | VE (%) | 95% CI | |
| Infections | 6883/51804 | 93.1 | 92.9–93.2 | 1747/51804 | 97.8 | 97.6–97.8 |
| Hospitalizations | 212/1194 | 90.3 | 88.8–91.7 | 95/1194 | 94.5 | 93.3–95.6 |
| Deaths | 129/701 | 90.3 | 88.4–92.1 | 49/701 | 95.2 | 93.7–96.5 |
*Estimation of vaccination protection based on the screening method [6]