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Swine Flu

Volume 496: debated on Wednesday 9 September 2009

To ask the Secretary of State for Health (1) how many of those with a virologically-confirmed case of H1N1 infection reported between 17 and 30 June 2009 inclusive were hospitalised as a result of the infection; and how many of those were aged (a) under 10, (b) between 10 and 19, (c) between 20 and 29, (d) between 30 and 39, (e) between 40 and 49, (f) between 50 and 59 and (g) over 59 years of age; and for how many of those hospitalised no age was recorded; (290812)

(2) how many (a) male, imported, (b) female, imported, (c) male, indigenous, (d) female, indigenous and (e) other new cases of H1N1 were virologically confirmed in England, Wales and Northern Ireland between 17 June and 30 June 2009 inclusive; how many in each category related to patients (i) aged under 10, (ii) between (A) 10 and 19, (B) 20 and 29, (C) 30 and 39, (D) 40 and 49, (E) 50 and 59 and (F) 60 years or more and (iii) for whom no age is recorded; in respect of how many cases in each category the Health Protection Agency (HPA) has recorded (1) the date of onset of symptoms, (2) the date of swab sample for diagnosis and (3) the date of the H1N1 case report; and in how many such cases in each category the start date of antiviral prophylaxis or other treatment is also known to the HPA;

(3) how many of the confirmed cases of H1N1 infection in England and Wales reported by 16 June 2009 were hospitalised; and how many such patients were (a) aged (i) under 10, (ii) between 10 and 19, (iii) between 20 and 29, (iv) between 30 and 39, (v) between 40 and 49, (vi) between 50 and 59 and (vii) over 59 years old and (b) of unknown age.

The available information is given in the following tables.

Not all of the data requested are available. Detailed information was collected on the first few hundred cases to provide information on the virus, it was not possible for the Health Protection Agency to continue to collect that level of detailed information as the number of cases increased.

Number of hospitalised virologically-confirmed pandemic influenza A(H1N1v) 2009 cases between 17-30 June 2009 reported to Health Protection Agency (HPA) Centre for Infections (CfI)1

Age group—years

Number

0-9

32

10-19

15

20-29

13

30-39

5

40-49

9

50-59

2

60+

3

Unknown age

1

Total

80

1 These are the cases reported to HPA CfI between 17-30 June 2009 from England. No cases were reported for the period from Wales and Northern Ireland.

Imported and indigenous virologically-confirmed pandemic influenza A(HlNlv) 2009 cases known to the Health Protection Agency between 17 June and 30 June 2009 by age

Age group—years

Probable route of transmission

Gender

0-9

10-19

20-29

30-39

40-49

50-59

60+

Age not known

Grand total

Imported

Female

4

10

30

7

6

8

3

0

68

Male

5

8

35

10

12

4

4

0

78

Unknown gender

0

0

1

0

0

0

0

1

2

Imported total

9

18

66

17

18

12

7

1

148

Indigenous

Female

355

482

328

124

88

56

21

21

1,475

Male

393

568

316

74

52

31

13

17

1,464

Unknown gender

276

311

104

60

35

13

4

38

841

Indigenous total

1,024

1,361

748

258

175

100

38

76

3,780

Unknown route of transmission

Female

42

38

24

9

12

6

3

4

138

Male

44

60

22

6

10

8

2

3

155

Unknown gender

42

51

24

11

9

1

1

50

189

Unknown route of transmission total

128

149

70

26

31

15

6

57

482

Grand total

1,161

1,528

884

301

224

127

51

134

4,410

Date of onset known

578

885

640

161

131

79

12

20

2,528

Date of onset not known

583

643

244

140

93

48

1

114

1,882

Grand total

1,161

1,528

884

301

224

127

13

134

4,410

Notes:

1. The 4,410 reports summarised in the table relate to the FluZone ‘disaggregate’ data set for England held at the HPA CfI and analysed on 30 June 2009.

2. Data on the date the sample was taken and on the date of commencement of antiviral prophylaxis or treatment are not available in the FluZone disaggregate dataset.

Number of hospitalised virologically-confirmed pandemic influenza A(H1N1v) 2009 cases reported by 16 June 2009, England (no hospitalised cases were known to the Health Protection Agency from Wales)

Age group—years

Number

0-9

2

10-19

0

20-29

1

30-39

1

40-49

1

50-59

0

60+

0

Unknown age

1

Total

6