Research and analysis

Laboratory reports of respiratory infections made to PHE from PHE and NHS laboratories in England and Wales: weeks 14 to 17, 2018

Updated 4 January 2019

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Data are 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 14 Week 15 Week 16 Week 17 Total
Week ending 8/4/2018 15/4/2018 22/4/2018 29/4/2018  
Influenza A 984 610 296 624 2514
Isolation 91 62 28 501 682
DIF * 76 39 14 5 134
PCR 739 473 228 106 1546
Other † 78 36 26 12 152
Influenza B 354 179 113 372 1018
Isolation 32 9 6 310 357
DIF * 25 22 10 1 58
PCR 253 130 87 59 529
Other † 44 18 10 2 74

* 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, 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 8/4/2018 15/4/2018 22/4/2018 29/4/2018  
Adenovirus* 139 141 92 224 596
Coronavirus 60 52 35 23 170
Parainfluenza† 184 202 173 228 787
Rhinovirus 355 375 249 608 1587
RSV 80 71 53 52 256

* Respiratory samples only.

† Includes parainfluenza types 1, 2, 3, 4 and untyped.

Table 3. Respiratory viral detections by age group: weeks 14 to 17, 2018

Age group (years) <1 year 1-4 years 5-14 years 15-44 years 45-64 years ≥65 years Unknown Total
Adenovirus * 134 172 47 132 64 47 – 596
Coronavirus 17 19 4 30 36 64 – 170
Influenza A 66 152 75 401 441 1356 12 2503
Influenza B 16 20 28 144 233 484 5 930
Parainfluenza † 198 147 38 80 126 198 – 787
Respiratory syncytial virus 98 50 3 16 35 54 – 256
Rhinovirus 445 292 112 238 185 315 – 1587

* Respiratory samples only.

† 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 14 Week 15 Week 16 Week 17 Total
Week ending 8/4/2018 15/4/2018 22/4/2018 29/4/2018  
Coxiella burnettii 2 – – – 2
Respiratory Chlamydia sp.* 12 4 3 2 21
Mycoplasma pneumoniae 8 7 10 4 29

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

Legionnaires Disease cases in England and Wales

Latest reports of Legionnaires’ Disease are published at Legionnaires’ disease monthly surveillance reports: 2018.

This report is published in HPR 12(16).

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