In the absence of antiretroviral drugs, the virus is free to mutate
within the confines of a depleting immune system.
Experts are no longer talking of wiping out the disease, but of containing it before it mutates
And he believes people will besiege GP surgeries looking for vaccines if the HN51 strain of bird flu mutates
into a virus which can spread between humans.
A cell that mutates
on an upper layer can form a bump that pushes altered cells down to the lowest layer, where they become "immortalized" as stem cells, says Portier, who adds that he believes "stem cells are at the root of cancer.
The major difference between those flulike bugs and actual influenza is that influenza strains mutate
almost every year, evading the body's natural immune system defenses and triggering the need for vaccines specifically tailored every year to the expected strains, according to Dr.
They identified which amino acids are most likely to mutate
According to him, the key to fighting spam and HIV is the same - find the part that absolutely can't mutate
- what he calls the Achilles' heel - and attack there.
It is widely predicted that the disease will mutate
and eventually be transmittable from human to human.
In their study report, the scientists point out that there are 16 subtypes of avian influenza, some of which can mutate
into forms that can infect humans by swapping proteins on their surface with proteins from human influenza viruses.
Missing pills will allow the virus to replicate and mutate
, he said.
A major east coast publication, reported yesterday in an article focused on avian flu, "We know that viruses mutate
and strike in unpredictable ways.