An older spelling variant is 'flu. There was a time when people used the apostrophe to indicate that it was short for influenza. Influenza is the most technical term to say flu.
That is the correct spelling of "flu" (the flu, viral influenza).
Swine flu
yes you can
Ourselves
Gizza
None.
I believe DiAngelo is another way to spell it.
the only way you can spell aspen is aspen
Swine flu is an example of a disease.
Geffrey Geoffrey
Thru and Through
Yanivelle