INTRO:
The influenza virus is sweeping across the US as one of the most deadly in a decade.
The flu kills tens of thousands people each year, and can put up to 140,000 people in the hospitals.
Our US correspondent Laura Cantekin has the latest.
The flu kills tens of thousands people each year, and can put up to 140,000 people in the hospitals.
Our US correspondent Laura Cantekin has the latest.