Complex sentence: Bender, who is immune to biological illness and forced to take care of the sick crew, becomes exasperated and breaks through the quarantine after being sneezed on by Zoidberg, spreading the virus across Manhattan.
Split into simpler sentences: Bender, who is immune to biological illness, is forced to take care of the sick crew. Bender becomes increasingly exasperated and, after being sneezed on by Doctor Zoidberg, breaks through the quarantine, spreading the virus across Manhattan.