A mold spore has a negative impact on the respiratory system.
Blue mold blue mold is caused by a fungus spread by wind-borne spores.
Fungus spread by wind has a negative impact on the respiratory system.
What spread by wind has a negative impact on the respiratory system?

(A) fungus
(B) rain
(C) disease
(D) laughter
(E) clouds
(F) influenza
(G) viruses
(H) bacteria