224                             LAWS OF MARYLAND                       [CH. 77

[State Board of Health and the State health officer] shall have juris-
diction throughout his district; and he shall have the right of entry
into any workshop, factory, dairy, creamery, slaughterhouse, or other
place of business or employment, or into any private house, when in
pursuit of his official duties. He shall carry out the instruction of the
Secretary of Health and Mental Hygiene and/or the Commissioner
of Health [State Board of Health] and shall make such investigations
and reports as said Secretary of Health and Mental Hygiene and/or
the Commissioner of Health [State Board of Health] may require.
He shall, when required by the Secretary of Health and Mental
Hygiene and/or Commissioner of Health [State Board of Health],
inspect and report upon the sanitary conditions of streams and
sources of public water supply, sewerage facilities, schools and school-
houses, dairies, creameries, slaughterhouses, workshops, and fac-
tories, and all places where offensive trades or industries are con-
ducted in his district. He shall respond promptly when called upon
for advice or assistance by any board of health or health officer
within his jurisdiction, and it shall be his duty and he is hereby
authorized to enforce any public health statute, or rule, or regulation
of the [State Board of Health,] Department of Health and Mental
Hygiene, or the Commissioner of Health or of any local board of
health or health officer within his district, when such local board of
health or health officer neglects or refuses to enforce such statute,
rule or regulation, after due notice by him or by the [State Board
of Health] Secretary of Health or Mental Hygiene and/or the Com-
missioner of Health. He shall keep himself informed as to the work
of each local health officer within his district, and aid each local
health officer within his district in the performance of his duties,
and particularly on the appearance of any communicable disease. He
shall purchase samples of food and drugs for analysis when directed
to do so by the Commissioner of Health [State health officer]; and
promote an efficient registration of births and deaths within his dis-
trict, and in addition he shall have and perform such other duties as
are or may be imposed upon him by the Secretary of Health or
Mental Hygiene and/or the Commissioner of Health [State Board of
Health or the State health officer].

9.

Whenever the [State health officer] Secretary of Health and
Mental Hygiene or Commissioner of Health or deputy State health
officer shall have assumed jurisdiction over any health condition in
this State, the local health authorities shall assist them [the State
health officer or his deputy] in the performance of their duties.

10.

The Commissioner of Health, with the approval of the Secretary,
[State Board of Health] shall have power to remove any deputy
health officer from any