Reports of respiratory infections made to PHE from PHE and NHS laboratories in England and Wales: weeks 38 to 41, 2020
Updated 3 March 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 are recorded by week of report, but include only specimens taken in the past 8 weeks (recent specimens).
Table 1. Reports of influenza infection made to PHE Colindale, by week of report
| Week | Week 38 | Week 39 | Week 40 | Week 41 | Total |
|---|---|---|---|---|---|
| Week ending | 20/9/2020 | 27/9/2020 | 4/10/2020 | 11/10/2020 | |
| Influenza A | 5 | 6 | 5 | 4 | 20 |
| Isolation | – | 1 | 1 | – | 2 |
| DIF | – | – | – | – | 0 |
| PCR | 5 | 5 | 4 | 4 | 18 |
| Other | – | – | – | – | 0 |
| Influenza B | 2 | 3 | 7 | 4 | 16 |
| Isolation | – | – | 1 | – | 1 |
| DIF | – | – | – | 1 | 1 |
| PCR | 2 | 3 | 6 | 3 | 14 |
| 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 38 | Week 39 | Week 40 | Week 41 | Total |
|---|---|---|---|---|---|
| Week ending | 20/9/2020 | 27/9/2020 | 4/10/2020 | 11/10/2020 | |
| Adenovirus* | 15 | 18 | 31 | 27 | 91 |
| Coronavirus ** | 3 | 1 | – | 2 | 6 |
| Parainfluenza *** | 7 | 4 | 1 | 1 | 13 |
| Rhinovirus | 215 | 304 | 268 | 180 | 967 |
| Respiratory Syncytial Virus (RSV) | 3 | 4 | 2 | 4 | 13 |
* 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 38 to 41, 2020
| Age group (years) | <1 year | 1-4 years | 5-14 years | 15-44 years | 45-64 years | ≥65 years | Unknown | Total |
|---|---|---|---|---|---|---|---|---|
| Adenovirus * | 13 | 28 | 13 | 23 | 13 | 1 | – | 91 |
| Coronavirus ** | – | – | 2 | 1 | 2 | 1 | – | 6 |
| Influenza A | 3 | 6 | 5 | 2 | 2 | 3 | 1 | 22 |
| Influenza B | 1 | 5 | 7 | – | 2 | 3 | – | 18 |
| Parainfluenza *** | 1 | 1 | 2 | 3 | 4 | 2 | – | 13 |
| Respiratory syncytial virus | 2 | 3 | 2 | 3 | 1 | 2 | – | 13 |
| Rhinovirus | 231 | 259 | 186 | 145 | 77 | 68 | 1 | 967 |
* 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 38 | Week 39 | Week 40 | Week 41 | Total |
|---|---|---|---|---|---|
| Week ending | 20/9/2020 | 27/9/2020 | 4/10/2020 | 11/10/2020 | |
| Coxiella burnettii | – | – | – | – | 0 |
| Respiratory Chlamydia sp.* | – | – | – | – | 0 |
| Mycoplasma pneumoniae | 3 | 5 | 4 | 2 | 14 |
* 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: 2020.