Table 1.
Reports of vaccine breakthrough infection.
| Time | Location | Area | Country | Staff | Vaccination status | Incidence rate | Characteristics and prognosis | References |
|---|---|---|---|---|---|---|---|---|
| Dec, 2020–Aug, 2021 | NA | Eight U.S. Locations | US | Frontline Workers | 83% vaccinated | 1.0%* | 89.7% symptomatic | Fowlkes et al. (34) |
| Mar–Jun, 2021 | NA | 17 states | India | COVID-19 cases | 2 doses 87.4%; 1 dose 12.6% | 86.7% | 0.4% fatality | Gupta et al. (35) |
| Apr, 2021 | care home | London | UK | Resident staff | 2 dose 75.6%; 1 dose 4.9% | 63.6%* | No severe | Williams et al. (8) |
| Apr, 2021 | a wedding | Houston, Texas | US | family members | fully vaccinated | <6.0%* | severe <1%, died <1% | Farinholt et al. (25) |
| Apr 01–Jun 06, 2021 | NA | Scotland | UK | COVID-19 cases | 2 doses 39.4%; 1 dose 59.4% | 40.2% | hospital admissions 1.9% | Sheikh et al. (36) |
| Apr 15–May 27, 2021 | Gymnastics Facility | Oklahoma | US | Gymnast, staff, households | 38% fully vaccinated | 45.0% | NA | Dougherty et al. (37) |
| May 01–Jul 25, 2021 | NA | Los Angeles | US | COVID-19 cases | 25.3% fully vaccinated,3.3% Partial vaccinated | 91.2% | More infected and hospitalized | Griffin et al. (38) |
| May 03–May 07, 2021 | NA | Chennai | India | COVID-19 cases | 2 doses 21.0%,1 dose 44.7% | 70.1% | Moderate/Severe 15.0%,Died 0.8% | Thangaraj et al. (39) |
| May 21–Jun 18, 2021 | NA | Guangzhou | China | Delta VOC infected | 6.3% fully vaccinated | 100% | 5.0% were severe, and 7.5% were critical | Wang et al. (23) |
| May 24–Jun 01, 2021 | Elementary School | Marin County, California | US | Student, teacher, parents | 10.7% fully vaccinated | 12.0%* | No persons were hospitalized | Lam-Hine et al. (9) |
| Jun 14–Jul 30, 2021 | community | three regions | France | COVID-19 cases | 11.2% vaccinated | 90.8% | NA | Blanquart et al. (40) |
| Jul–Aug, 2021 | Prison | Texas | US | Incarcerated Person | 79.4% fully vaccinated | 69.7%* | One (3%) died (unvaccinated) | Hagan et al. (10) |
| Jul, 2021 | Nosocomial | Meir Medical Center | Israel | Patient, staff and families | 96.2% vaccinated | 15.7%* | 19.0% severe, 14.3% critical and 11.9% died | Shitrit et al. (41) |
| NA | family | NA | France | family cluster | 25.0% vaccinated | 75%* | Uninfected:the vaccinated | Nathan et al. (42) |
| NA | hospital | NA | India | health career | 2 doses:29.8%;1 dose:58.5% | 1.6%* | NA | Rana et al. (43) |
Refers to the breakthrough infection rate.