Travellers to the USA in the next few weeks are being warned influenza has reached epidemic proportions.
All states are affected except California and Hawaii, but those too may soon show infection levels, spread by travellers.
The US Centres for Disease Control and Prevention reported 7.3 per cent of deaths last week were caused by pneumonia and the flu. The officially recognised epidemic figure is 7.2 per cent.
Travellers to the USA in the next few weeks are being warned influenza has reached epidemic proportions.
All states are affected except California and Hawaii, but those too may soon show infection levels, spread by travellers.
The US Centres for Disease Control and Prevention reported 7.3 per cent of deaths last week were caused by pneumonia and the flu. The officially recognised epidemic figure is 7.2 per cent.
