Research and analysis

Reports of respiratory infections made to UKHSA from UKHSA and NHS laboratories in England and Wales: weeks 49 to 2 (2021 to 2022)

Updated 29 July 2022

Applies to England and Wales

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Table 1. Reports of influenza infection made to UKHSA Colindale, by week of report

Week Week 49 Week 50 Week 51 Week 52 Week 1 Week 2 Total
Week ending 12 Dec 2021 19 Dec 2021 26 Dec 2021 2 Jan 2022 9 Jan 2022 16 Jan 2022  
Influenza A 166 199 157 133 135 62 852
Isolation 17 21 16 8 23 3 88
DIF 27 20 15 19 18 4 103
PCR 98 134 118 98 82 52 582
Other 24 24 8 8 12 3 79
Influenza B 53 70 31 18 22 38 232
Isolation 5 20 5 1 6 2 39
DIF 11 9 7 4 4 2 37
PCR 23 32 19 12 11 30 127
Other 14 9 0 1 1 4 29

DIF=Direct Immunofluorescence.

‘Other’ = ‘Antibody detection - Single high titre’ or ‘method not specified’.

Note. Data are recorded by week of report, but include only specimens taken in the last 8 weeks (recent specimens).

Table 2. Respiratory viral detections by any method (culture, direct immunofluorescence, PCR, single high serology titre), by week of report.

Week Week 49 Week 50 Week 51 Week 52 Week 1 Week 2 Total
Week ending 12 Dec 2021 19 Dec 2021 26 Dec 2021 2 Jan 2022 9 Jan 2022 16 Jan 2022  
Adenovirus* 138 160 138 115 138 109 798
Coronavirus** 117 100 117 60 63 26 483
Parainfluenza *** 114 82 83 51 55 39 424
Rhinovirus 534 541 553 344 314 265 2,551
Respiratory Syncytial Virus (RSV) 529 517 515 406 296 209 2,472

*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, data for weeks 49 to 2 (2021 to 2022)

Age group (years) Under 1 year 1 to 4 years 5 to 14 years 15 to 44 years 45 to 64 years 65 years and older Unknown Total
Adenovirus* 167 411 75 40 68 37 0 798
Coronavirus** 80 100 99 92 35 77 0 483
Influenza A 31 65 383 228 93 333 10 843
Influenza B 8 50 67 37 63 115 11 351
Parainfluenza*** 112 128 43 28 50 62 0 423
Respiratory Syncytial Virus (RSV) 773 539 222 215 118 598 6 2,471
Rhinovirus 570 794 358 210 273 344 2 2,551

*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 49 Week 50 Week 51 Week 52 Week 1 Week 2 Total
Week ending 12 Dec 2021 19 Dec 2021 26 Dec 2021 2 Jan 2022 9 Jan 2022 16 Jan 2022    
Coxiella burnetii – – – – – – 0  
Respiratory Chlamydia sp.* – – 3 – – – 3  
Mycoplasma pneumoniae 7 8 2 – – 2 22  

*Includes Chlamydia psittaci, Chlamydia pneumoniae and Chlamydia sp detected from blood, serum and respiratory specimens

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