Hospitals have been told to empty as many beds as possible, amidst fears that the NHS may be about to face the worst flu season in its history. This warning comes after Australia has had the worst flu season in the last 15 years, with two and half times as many cases as last year. What happens in Australia nearly always transmits to the UK, because of the ease of global travel and tourism. In the UK last winter, the vaccine did not work in most cases of people aged 65 and over, because their immune system was weak. Flu is mainly caused by viruses, which AlliTech has proved over many years it can deal with. Unfortunately, antibiotics can seldom destroy viruses.