By sick a$$ pigs that live in the Mexico region.
No, the flu is caused by a virus.
The flu, warts and mumps are all caused by different viruses. The flu is caused by any of the influenza viruses, warts are caused by certain strains of human papillomavirus, and mumps are caused by the mumps virus.
The flu is not a fungal disease. Flu is caused by the influenza virus.
No. The flu (influenza) is caused by a virus. See related questions below.
No. The flu is caused by a virus, not bacteria.
Influenza is caused by a virus. its straight up a virus...
Yes. It is caused by viruses.
flu
Flu is always caused a virus, not bacteria, so no flu epidemic will be due to a bacterial agent. This is true of the 1918 "Spanish Flu", it was caused by a virus.
Flu
It is caused by a virus called A-H1N1/09 influenza virus (aka swine flu).
Swine flu is caused by a virus. An allergy is caused by the body reacting to a harmless compound.