The flu, like a cold, is a respiratory infection but is caused by an entirely different group of viruses - namely the influenza A, B and C viruses. Perhaps the best way to prevent the flu is to get an annual flu shot before the flu season hits.
I called Lufthansa, and they told me that there are Economy Plus seating sections on the Bangalore to Frankfurt and Frankfurt to Chicago legs. But, since I bought tickets through United, they told me I can't get any seat assignments until check-in in Bangalore unless I work with United.
Seat {SEAT} is a standard Economy Class seat. This seat is designated by WOW air as an XL seat, WOW air charges an extra fee to reserve this seat. This seat has extra legroom due to the exit however, the proximity to the galley may be bothersome. There is no floor storage for this seat during take-off or landing. 15 H: XL Seats: Standard & Exit Row: None