asked the Secretary of State for Social Services how many of the 256 cases of brucellosis confirmed in humans by the National Health Service in the first 47 weeks of 1970 were from the West Riding and the Colne Valley constituency, respectively; and what were the corresponding figures for 1968 and 1969.

The numbers of cases confirmed in laboratories in the West Riding and reported to the Public Health Laboratory Service are set out below:

1968	7
1969	3
1970	4

None was recorded as being resident in the Colne Valley constituency. The medical officer of health for the urban district councils of Colne Valley, Denby Dale, Holmfirth, Meltham and Saddle-worth which comprise the constituency has, however, been informed of the following numbers of cases, confirmed in hospital laboratories but not reported to the Public Health Laboratory Service, in persons resident in these districts:

1968	3
1969	2
1970	3