A cocktail of influenza viruses which already exist could become the next global killer, epidemiologists have warned.
Some such cocktails have already appeared, as when ordinary winter flu infects a patient at the same time as the more virulent swine flu. The more dangerous variety can then “hitch a ride” on the other and form a new illness. The nightmare scenario for human health involves a deadly bug such as bird (avian) flu, not normally found in humans, attaching itself to winter flu viruses and mutating into an attack nobody is resistant to.
Medical scientists will keep working on vaccines, even though such a flu contagion could spread in days across the globe. Meanwhile, wash your hands.
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