Volume 32, Number 5—May 2026
Dispatch
Severe Respiratory Illness and Death Associated with Outbreak of Human Rhinovirus B14 among Older Adults, France, 2024
Table
Clinical outcomes and results of molecular testing of nasopharyngeal swab samples collected in a study of severe respiratory illness and death associated with outbreak of HRV-B14 among older adults, France, 2024*
| Pt. no. | Sample no. | Biofire qPCR† | FTD multiplex qPCR (Ct)‡ | Shotgun mNGS |
Probe-based mNGS; % coverage§ | VP1 genotype | Hospitalized; clinical outcome | |
|---|---|---|---|---|---|---|---|---|
| First batch | Second batch | |||||||
| 1 |
1 |
HRV |
– |
HRV-B14; 2 reads |
ND |
HRV-B14; 73 |
HRV-B14 |
N; recovered |
| 2 |
NS |
ND |
ND |
ND |
ND |
ND |
ND |
Y; died |
| 3 |
3 |
HRV |
HRV (31) |
HRV-B14; 13 reads |
ND |
HRV-B14; 81 |
HRV-B14 |
N; recovered |
| 4 |
7 |
HRV |
– |
ND |
No HRV detected |
ND |
ND |
N; died |
| 5 |
8 |
– |
– |
ND |
No HRV detected |
ND |
– |
N; recovered |
| 6# |
9 |
HRV |
– |
ND |
No HRV detected |
HRV-B14; 13 |
– |
Y; died |
| 7 |
14 |
HRV |
ND |
ND |
No HRV detected |
ND |
ND |
N; recovered |
| 8 |
15 |
HRV |
HRV (31) |
No HRV detected |
ND |
HRV-B14; 43 |
HRV-B14 |
Y; died |
| 9** | 18 | HRV | – | No HRV detected | ND | ND | – | Y; recovered |
| 22 | – | – | ND | No HRV detected | ND | ND | ||
| 23 |
HRV |
– |
ND |
ND |
ND |
ND |
||
| 10 | 24 | HRV | – | ND | No HRV detected | ND | – | N; recovered |
| 28 |
– |
– |
ND |
No HRV detected |
ND |
ND |
||
| 11†† |
29 |
– |
– |
No HRV detected |
ND |
ND |
– |
N; recovered |
| 12 | 30 | HRV | HRV (33) | No HRV detected | ND | HRV-B14; 32 | HRV-B14 | N; recovered |
| 34 |
HRV |
HRV (34) |
ND |
No HRV detected |
ND |
ND |
||
| 13 | 35 | HRV | – | ND | No HRV detected | ND | – | N; recovered |
| 39 | HRV | – | ND | No HRV detected | ND | ND | ||
| 40 |
– |
– |
ND |
ND |
ND |
ND |
||
| 14 | 42 | – | – | ND | No HRV detected | ND | – | Y; recovered |
*Ct, cycle threshold; HRV, human rhinovirus; mNGS, metagenomic next-generation sequencing; ND, not done; NS, no sample; Pt., patient; qPCR, quantitative PCR; VP1, viral capsid-encoding gene; –, negative. †FilmArray Respiratory Panel 2 multiplex qPCR assay (BioFire Diagnostics, https://www.biofiredx.com). ‡FTD Respiratory Pathogens 21 (Fast Track Diagnostics/Siemens Healthineers, https://www.siemens-healthineers.com). §Probe-based ± ARTIC-like viral enrichment, then mNGS. #Patient had a history of oxygen requirement and metastatic bladder cancer. **Patient was anorexic and on an intravenous drip. ††Patient had recent anorexia and cough develop.