Aerobiology
Aerobiology (from ancient Greek ἀήρ, aēr , " air "; βίος, bios , " life "; and -λογία, -logie ) is a sub-discipline of biology that deals with the smallest organic particles, such as bacteria , fungus spores , very small insects , It employs pollen and viruses that are passively transported through the air (aerial plankton ). The most important work area of the aerobiologists is the pollen and spore flight and the resulting allergic loads.
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Wiktionary: Aerobiology - explanations of meanings, word origins, synonyms, translations