Research and analysis

Laboratory reports of respiratory infections made to PHE from PHE and NHS laboratories in England and Wales: weeks 31 to 34, 2017

Updated 5 January 2018

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

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

Week Week 31 Week 32 Week 33 Week 34 Total
Week ending 6/8/2017 13/8/2017 20/8/2017 27/8/2017  
Influenza A 16 19 15 25 75
Isolation 1 1 2 4
DIF * 1 1 1 3
PCR 11 15 13 15 54
Other † 3 3 1 7 14
Influenza B 6 10 6 4 26
Isolation 1 1
DIF * 1 1 2
PCR 3 9 6 3 21
Other † 1 1 2

* DIF = Direct Immunofluorescence. † Other = “Antibody detection - single high titre” or “Method not specified”.

2. Table 2. Respiratory viral detections by any method (culture, direct immunofluorescence, PCR, four-fold rise in paired sera, single high serology titre, genomic, electron microscopy, other method, other method unknown), by week of report

Week Week 31 Week 32 Week 33 Week 34 Total
Week ending 6/8/2017 13/8/2017 20/8/2017 27/8/2017  
Adenovirus* 82 51 69 55 257
Coronavirus 3 3 3 11 20
Parainfluenza† 63 68 64 84 279
Rhinovirus 185 189 275 174 823
Respiratory syncytial virus 36 34 48 42 160

* Respiratory samples only. † Includes parainfluenza types 1, 2, 3, 4 and untyped.

3. Table 3. Respiratory viral detections by age group: weeks 31 to 34, 2017

Age group (years) <1 year 1-4 years 5-14 years 15-44 years 45-64 years ≥65 years Unknown Total
Adenovirus * 40 78 33 67 27 12 257  
Coronavirus 3 1 1 4 7 4 20  
Influenza A 3 6 5 27 16 19 76  
Influenza B 1 2 10 3 4 20  
Parainfluenza † 51 49 19 55 54 51 279  
Respiratory syncytial virus 66 31 7 30 16 10 160  
Rhinovirus 216 158 55 149 107 138 823  

* Respiratory samples only. † Includes parainfluenza types 1, 2, 3, 4 and untyped.

4. Table 4. Laboratory reports of infections associated with atypical pneumonia, by week of report

Week Week 31 Week 32 Week 33 Week 34 Total
Week ending 6/8/2017 13/8/2017 20/8/2017 27/8/2017  
Coxiella burnettii 1 1 2
Respiratory Chlamydia sp.* 8 7 3 2 20
Mycoplasma pneumoniae 13 7 15 5 40

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

5. Legionnaires Disease cases in England and Wales

Monthly reports of Legionnaires’ Disease at Legionnaires’ disease monthly surveillance reports: 2017.

This report was published on 8 September 2017.