Reports of respiratory infections made to PHE from PHE and NHS laboratories in England and Wales: weeks 3 to 6, 2021
Published 3 March 2021
Applies to England and Wales
© Crown copyright 2021
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Weekly National Influenza and COVID-19 Surveillance reports
Read the latest weekly National flu and COVID-19 surveillance report.
Laboratory-confirmed respiratory infections (non-COVID-19)
Data is recorded by week of report, but include only specimens taken in the last 8 weeks (recent specimens).
Table 1. Reports of influenza infection made to PHE Colindale, by week of report
| Week | Week 3 | Week 4 | Week 5 | Week 6 | Total |
|---|---|---|---|---|---|
| Week ending | 24/1/2021 | 31/1/2021 | 7/2/2021 | 14/2/2021 | |
| Influenza A | 7 | 5 | 13 | 7 | 32 |
| Isolation | 1 | 1 | 1 | – | 3 |
| DIF * | 2 | 1 | – | 3 | 6 |
| PCR | 4 | 3 | 12 | 4 | 23 |
| Other † | – | – | – | – | 0 |
| Influenza B | 5 | 7 | 5 | 7 | 24 |
| Isolation | 1 | – | – | 1 | 2 |
| DIF * | 2 | 3 | – | 1 | 6 |
| PCR | 2 | 4 | 5 | 5 | 16 |
| Other † | – | – | – | – | 0 |
* DIF: Direct Immunofluorescence.
† Other: ‘Antibody detection – single high titre’ or ‘Method not specified’.
Table 2. Respiratory viral detections by any method (culture, direct immunofluorescence, PCR, single high serology titre, genomic), by week of report
| Week | Week 3 | Week 4 | Week 5 | Week 6 | Total |
|---|---|---|---|---|---|
| Week ending | 24/1/2021 | 31/1/2021 | 7/2/2021 | 14/2/2021 | |
| Adenovirus * | 39 | 58 | 51 | 39 | 187 |
| Coronavirus ** | 27 | 21 | 22 | 19 | 89 |
| Parainfluenza† | 10 | 10 | 10 | 8 | 38 |
| Rhinovirus | 95 | 107 | 86 | 86 | 374 |
| Respiratory Syncytial Virus (RSV) | 3 | 5 | 5 | 6 | 19 |
* Respiratory samples only.
** Seasonal coronavirus only. Does not include SARS-CoV-2.
† Includes parainfluenza types 1, 2, 3, 4 and untyped.
Table 3. Respiratory viral detections by age group: weeks 3 to 6, 2021
| Age group (years) | <1 year | 1-4 years | 5-14 years | 15-44 years | 45-64 years | ≥65 years | Unknown | Total |
|---|---|---|---|---|---|---|---|---|
| Adenovirus * | 32 | 57 | 14 | 33 | 20 | 31 | – | 187 |
| Coronavirus ** | 3 | 1 | 3 | 15 | 28 | 39 | – | 89 |
| Influenza A | 8 | 3 | 1 | 6 | 4 | 7 | 5 | 34 |
| Influenza B | 8 | 3 | 1 | 5 | 6 | 5 | 1 | 29 |
| Parainfluenza † | 5 | 5 | 1 | 9 | 7 | 11 | – | 38 |
| Respiratory syncytial virus | 4 | 2 | 0 | 3 | 4 | 6 | – | 19 |
| Rhinovirus | 68 | 117 | 24 | 70 | 39 | 56 | 0 | 374 |
* Respiratory samples only.
** Seasonal coronavirus only. Does not include SARS-CoV-2.
† Includes parainfluenza types 1, 2, 3, 4 and untyped.
Table 4. Laboratory reports of infections associated with atypical pneumonia, by week of report
| Week | Week 3 | Week 4 | Week 5 | Week 6 | Total |
|---|---|---|---|---|---|
| Week ending | 24/1/2021 | 31/1/2021 | 7/2/2021 | 14/2/2021 | |
| Coxiella burnettii | – | – | – | – | 0 |
| Respiratory Chlamydia sp.* | 3 | 2 | 1 | 3 | 9 |
| Mycoplasma pneumoniae | 10 | 7 | 1 | 7 | 25 |
* Includes Chlamydia psittaci, Chlamydia pneumoniae, and Chlamydia sp detected from blood, serum, and respiratory specimens.
Legionnaires Disease cases in England and Wales
Read the latest Legionnaires’ disease monthly surveillance reports.