Report. [1918]

146

Units.-The party was divided in several units, one unit taking
charge also of the district health officer's office.
Cooperation and enthusiastic willingness to learn and adopt
the methods of the new system were found on the part of the
district health officer, presidents of sanitary divisions and subordinate personnel as well. They had individually applied great
attention and interest toward the prompt acquisition of all necessary instruction for the establishment and proper running of
the health control system in their respective districts.
This was made clearly evident by the fact that after about
one month's period of instruction the offices of the presidents of
sanitary divisions were already equipped with all information,
record cards, charts on mortality and health index weekly reports being submitted to the district health officer.
The following information was collected, recorded and filed
in the office of each president of sanitary division:
1. Family records, which embrace the following data: (a)
Persons in each family; (b) number of persons never or positively vaccinated; (c) deaths occurring in the family and cause
of death; (d) water supply, its type, location and other sanitary
conditions; (e) sewage disposal; (f) stables; (g) food; (h)
lowland or mosquito breeding areas.
2. The following record cards were arranged and filed: (a)
Water supply record cards, which were classified into different
groups according to the class and type of supply, for general
supply, public supply on private premises, and private supply.
3. Record cards of tiendas.-This card gives the following
information:
(a) Location of tienda: (b) class of tienda; (c) name of
owner; (d) number and names of persons employed in tienda;
(e) class of articles sold; (f) origin of fresh food sold; (g)
sanitary condition.
4. Record and ready reference cards were also made of stables
and toilet facilities.
5. Sickness information.-Record of all known cases of dangerous communicable diseases were also prepared and filed.
Cards were classified and recorded according to diseases.
MORTALITY INFORMATION.
This part of the work was given the most particular attention
as in the absence of reliable morbidity records, it was necessary
to rely on the mortality records as an indicator of the prevalence
of epidemic diseases.
The death records of each municipality were studied and
tabulated as follows: