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Airplane and hospital air mostly has harmless skin microbes; no active infections found.
A new study published in Microbiome on December 4, 2025, finds that airplane and hospital air contains mostly harmless microbes from human skin, with no evidence of active infection from detected potentially harmful germs.
Researchers analyzed microbes from face masks worn by travelers and healthcare workers, plus an aircraft filter used over 8,000 hours, identifying 407 species.
The findings suggest airborne transmission is low in these settings, though hand hygiene remains essential for preventing surface-based spread.
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El aire de los aviones y los hospitales contiene en su mayoría microbios de la piel inofensivos; no se encontraron infecciones activas.