TABLE 3.
RSV, HMPV, and influenza virus subtyping by BioCode RPP in different flu seasons
| Pathogen | Subtyping results (% [n]) by specimen type and season |
P value | ||
|---|---|---|---|---|
| Fresh | Frozen |
|||
| 2019 | 2017–2018 | 2019 | ||
| Influenza A H1 pdm09 | 96.7 (29/30) | 100 (10/10) | 100 (13/13) | |
| Influenza A H3 | 93.2 (82/88) | 97.0 (33/34) | 91.4 (32/35) | |
| Influenza B | 100 (7/7) | 93.6 (44/47) | N/Aa | 0.0001b |
| Respiratory syncytial virus | 97.8 (91/93) | 97.9 (46/47) | 98.4 (63/64) | |
| Human metapneumovirus | 95.7 (89/93) | 92.6 (25/27) | 95.5 (21/22) | |
a
Flu B was not detected in any specimens frozen in 2019.
b
PPA of Flu B frozen specimens (2017–2018) compared with that of fresh specimens, P < 0.05.