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.
But progress on an anti-HIV vaccine has crawled; partially because the virus mutates
rapidly and each new strain makes old vaccines obsolete.
Experts are no longer talking of wiping out the disease, but of containing it before it mutates
Colon polyps form when the cells within the crypt mutate
, producing excess cell replication.
For the first time, the researchers have been able to mutate
the H5N1 strain of avian influenza so that it can be transmitted easily through the air in coughs and sneezes.
Once a circuit is working almost as he wants, instead of the engineers' refining the design again and again, Weiss permits the DNA to mutate
and lets a lab-made version of natural selection do the hard work.
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.
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.
A dietary deficiency in an essential trace mineral may cause a usually harmless strain of the flu to mutate
into a virulent pathogen.
rapidly, and the changes probably would have arisen regardless of treatment.