They should, wear a neat and clean uniform. A surgical mask is an effective addition to the uniform.
Although
workers
may
not
contribute
a
large
number
of
organisms,
these
are
of
considerable
importance
since
they
may
well
be
human
pathogens.
Probably the majority of milk borne epidemics of disease were started by workers who were carriers, or who had mild cases, or who were in close contact with others so affected.
The importance of contamination contributed by the workers is simply that it is the most dangerous.
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