Summary
Inasmuch as algae have been shown to be
air contaminants, we isolated, cultured and extracted four strains
of green algae from air samples. These algal extracts were employed
as skin-test antigens in 120 patients who suffered from respiratory
allergic diseases. Of these patients, 98 showed definite positive
reactions to intradermal tests with one or more extracts of these
green algae.
This finding suggests that air-borne algae, which
heretofore have been unrecognized as a cause of inhalant allergic
sensitivity, might well be allergenic. To achieve certainty,
these data should necessarily be followed by further investigation.
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