Table 1.
Patient Demographic and Viral Characteristics of Cases of Respiratory Syncytial Virus (RSV) in Minnesota From May 1 Through September 30 by Year
| Characteristic | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|
| Subtype, No. | |||||
| RSV-A | 19 | 2 | 15 | 10 | 7 |
| RSV-B | 3 | 7 | 7 | 42 | 10 |
| Unspecified | 7 | 18 | 3 | 6 | 13 |
| Total | 29 | 27 | 26 | 58* | 30 |
| All cases | |||||
| Median age, mo | 7 | 8 | 7 | 7 | 9 |
| Sex, No. (%) | |||||
| Male | 13 (45) | 18 (67) | 8 (31) | 38 (66) | 17 (57) |
| Female | 16 (55) | 9 (33) | 18 (69) | 20 (34) | 13 (43) |
| Race, No. (%) | |||||
| White | 6 (21) | 2 (7) | 6 (23) | 17 (29) | 17 (57) |
| Black | 14 (48) | 21 (78) | 11 (42) | 31 (53) | 10 (33) |
| Asian/Pacific Islander | 2 (7) | 1 (4) | 3 (12) | 2 (3) | 0 (0) |
| American Indian/Alaska Native | 3 (10) | 1 (4) | 0 (0) | 1 (2) | 1 (3) |
| Multiracial | 0 (0) | 0 (0) | 1 (4) | 3 (5) | 0 (0) |
| Unknown | 4 (14) | 2 (7) | 5 (19) | 4 (7) | 2 (7) |
| Median length of stay, d | 3 | 3 | 3 | 4 | 4 |
| Admitted to ICU, No. (%) | 5 (17) | 6 (22) | 2 (8) | 27 (47) | 13 (43) |
| Comorbidities, No. (%) | 11 (38) | 9 (33) | 9 (32) | 22 (38) | 15 (50) |
| RSV-B | |||||
| Median age, mo | 2.5 | 7 | 7 | 6 | 19 |
| Sex, No. (%) | |||||
| Male | 2 (67) | 4 (57) | 2 (29) | 31 (74) | 7 (70) |
| Female | 1(33) | 3 (43) | 5 (71) | 11 (26) | 3 (30) |
| Race, No. (%) | |||||
| White | 0 (0) | 0 (0) | 1 (14) | 10 (24) | 6 (60) |
| Black | 1 (33) | 6 (86) | 5 (71) | 26 (62) | 3 (30) |
| Asian/Pacific Islander | 0 (0) | 1 (14) | 0 (0) | 2 (5) | 0 (0) |
| American Indian/Alaska Native | 1 (33) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Multiracial | 0 (0) | 0 (0) | 1 (14) | 2 (5) | 0 (0) |
| Unknown | 1 (33) | 0 (0) | 0 (0) | 2 (5) | 1 (10) |
| Median length of stay, d | 3 | 2 | 3 | 4.5 | 3 |
| Admitted to ICU, No. (%) | 0 (0) | 1 (14) | 1 (14) | 23 (55)** | 5 (50) |
| Comorbidities, No. (%) | 1 (33) | 2 (29) | 2 (29) | 14 (33) | 7 (70) |
*P < .0001, **P < .01 for 2017 compared to prior 2014–2016 summers.