Objective. To describe the function of New Spain's Boards of Health, which
were created in times of emergencies as in epidemic diseases or natural cat
astrophes. Material. Most of the information comes from primary sources, su
ch as the rules, orders and reports of the Boards of Health. Results' Whene
ver an epidemic disease appeared in Neu, Spain, there were not enough physi
cians, hospitals or medical services to fulfill the need's of society. The
response was the creation of Boards of Health that functioned as charitable
groups. Their purpose was to provide food, clothing and medical support to
the sick, by collecting donations and distributing them among the needed,
and also by assigning physicians to specific geographical sectors within ci
ties. Conclusions. The presence of Boards of Health was useful to fight epi
demics in New Spain allowing the team work not only among physicians, but a
lso among parish priests and neighborhood to offer assistance and help to s
ick people as medical, welfare work and soulful support.