The flu became deadly in 1980 because of the mutations it underwent. When the virus is not recognized by the human immune system, it has great difficulty fighting the infection.
Yes, it is a very deadly form of flu that kills 50 to 60% of those humans infected.
You mean swine flu? I it is a new flu virus, very deadly to aged and young people.
bird flu
It is an extremely deadly form of flu and 50 to 60% of those infected die.
because it is a deadly flu that can kill you :(
SWINE FLU!!!!!!!!!!!!!!!! Haven't you been listening to the news
So far, swine flu hasn't been any more deadly than the regular flu. Any form of the flu can be deadly, but normally only for people who have other medical problems as well. Avoid all concerns by getting the vaccination to prevent it in the first place.
It is generally the same as normal flu but for unknown reasons can sometimes be deadly...
A current deadly disease is aides,h1n1(or swine flu), untreated std's, etc.
Frightning, infecting, deadly
Deadly Companion was created in 1980-01.
Enos - 1980 Blu Flu 1-4 was released on: USA: 10 December 1980 USA: 17 December 1980