Table 1. Health Care Settings, Vaccination Data, and Covid-19 Vaccines Administered, According to Type of Medical Visit.*.
| Network Partner (State, Geographic Subregions) | No. of Hospitals (N=187) |
No. of EDs (N=167) |
No. of Urgent Care Clinics (N=54) |
Vaccine Availability in 2021, According to Age† | Source of Vaccination Records | Interval before Record Updated | Covid-19 Vaccines Received |
|---|---|---|---|---|---|---|---|
| CUIMC (New York, 1 subregion) | 3 | NA | NA | ≥75 yr: Jan. 8 ≥65 yr: Jan. 12 ≥60 yr: March 10 ≥50 yr: March 23 |
New York City registry and EHRs | 1 wk | Among hospitalized patients: 71% BNT162b2, 25% mRNA-1273, 4% Ad26.COV2.S |
| HealthPartners (Minnesota and Wisconsin, 2 subregions) | 9 | NA | NA | ≥85 yr: Jan. 3 ≥75 yr: Jan. 22 ≥65 yr: Feb. 16 ≥50 yr: Feb. 26 |
Claims data, pharmacy data, EHRs, and Minnesota Immunization Information Connection | 6 wk | Among hospitalized patients: 52% BNT162b2, 47% mRNA-1273, 1% Ad26.COV2.S |
| Intermountain Healthcare (Utah, 8 subregions) | 22 | 21 | 34 | ≥75 yr: Jan. 18 ≥65 yr: Feb. 18 ≥50 yr: March 8 |
Utah Statewide Immunization Information System and EHRs | 1 wk | Among hospitalized patients: 54% BNT162b2, 42% mRNA-1273, 4% Ad26.COV2.S; |
| Among patients presenting to EDs and urgent care clinics: 53% BNT162b2, 43% mRNA-1273, 5% Ad26.COV2.S |
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| KPNC (California, 8 subregions) | 29 | NA | NA | ≥65 yr: Feb. 28 ≥50 yr: April 2 |
California Immunization Registry, Care Everywhere (Epic interhospital system for vaccination record sharing), pharmacy data, claims data, and EHRs | 2 wk | Among hospitalized patients: 55% BNT162b2, 41% mRNA-1273, 4% Ad26.COV2.S |
| KPNW (Oregon and Washington, 3 subregions) | 11 | 43 | 20 | Oregon: ≥80 yr: Feb. 8 ≥75 yr: Feb. 15 ≥70 yr: Feb. 22 ≥65 yr: March 1 ≥50 yr: April 19 Washington: ≥65 yr: Jan. 18 ≥60 yr: March 31 ≥50 yr: April 15 |
Oregon Immunization Information System (ALERT Immunization Information System), Washington State Immunization Information System, claims data, and EHRs | 2 wk | Among hospitalized patients: 67% BNT162b2, 28% mRNA-1273, 5% Ad26.COV2.S; |
| Among patients presenting to EDs and urgent care clinics: 67% BNT162b2, 28% mRNA-1273, 4% Ad26.COV2.S |
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| Regenstrief Institute (Indiana, 11 subregions) | 101 | 103 | NA | ≥80 yr: Jan. 8 ≥70 yr: Jan. 13 ≥65 yr: Feb. 1 ≥60 yr: Feb. 23 ≥55 yr: March 2 ≥50 yr: March 3 |
Children and Hoosier Immunization Registry Program and EHRs | 1 wk | Among hospitalized patients: 42% BNT162b2, 55% mRNA-1273, 3% Ad26.COV2.S; |
| Among patients presenting to EDs: 43% BNT162b2, 53% mRNA-1273, 5% Ad26.COV2.S |
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| University of Colorado (3 subregions) | 12 | NA | NA | ≥70 yr: Jan. 8 ≥65 yr: Feb. 8 ≥60 yr: March 5 ≥50 yr: March 19 |
Colorado Immunization Information System and EHRs | 2 wk | Among hospitalized patients: 56% BNT162b2, 44% mRNA-1273, 0% Ad26.COV2.S |
*
Covid-19 denotes coronavirus disease 2019, CUIMC Columbia University Irving Medical Center, ED emergency department, EHR electronic health record, KPNC Kaiser Permanente Northern California, KPNW Kaiser Permanente Northwest Center for Health Research, and NA not applicable.
†
Medical visits were reported 14 days after the date of general vaccine availability to community-dwelling adults in each age group, regardless of the patients’ occupation or underlying medical conditions. Dates of general vaccine availability were provided by each network partner according to state guidelines and local vaccine distribution.