Research and analysis

Laboratory reports of respiratory infections made to PHE from PHE and NHS laboratories in England and Wales: weeks 14 to 17, 2017

Updated 5 January 2018

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

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

Week Week 14 Week 15 Week 16 Week 17 Total
Week ending 9/4/2017 16/4/2017 23/4/2017 30/4/2017  
Influenza A 159 31 41 45 276
Isolation 3 2 7 12
DIF * 30 3 2 35
PCR 120 19 35 33 207
Other † 6 9 4 3 22
Influenza B 65 25 51 53 194
Isolation 1 3 3 2 9
DIF * 2 5 1 8
PCR 61 17 44 50 172
Other † 1 4 5

* 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 14 Week 15 Week 16 Week 17 Total
Week ending 9/4/2017 16/4/2017 23/4/2017 30/4/2017  
Adenovirus* 173 127 128 130 558
Coronavirus 53 32 25 21 131
Parainfluenza† 236 152 195 170 753
Rhinovirus 397 238 259 230 1124
Respiratory syncytial virus 158 67 79 56 360

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

3. Table 3. Respiratory viral detections by age group: weeks 14 to 17, 2017

Age group (years) <1 year 1-4 years 5-14 years 15-44 years 45-64 years ≥65 years Unknown Total
Adenovirus * 81 151 63 144 70 49 558
Coronavirus 107 83 50 89 106 202 637
Influenza A 6 7 1 36 43 123 216
Influenza B 7 3 5 33 38 76 162
Parainfluenza † 97 49 17 58 50 88 1 360
Respiratory syncytial virus 180 49 17 46 88 225 2 607
Rhinovirus 325 186 105 181 145 181 1 1124

* 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 14 Week 15 Week 16 Week 17 Total
Week ending 9/4/2017 16/4/2017 23/4/2017 30/4/2017  
Coxiella burnettii 1 2 3
Respiratory Chlamydia sp.* 7 8 9 24
Mycoplasma pneumoniae 14 9 10 1 34

* 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 is published on 12 May 2017.