Scientists want to flush out these so-called reservoirs and find a way to kill the virus for good.
They don't kill the virus but they slow down its growth, which ultimately slows the progression of the disease.
It is an impossible prospect to locate and kill the virus on the massive ships given the short turnaround on an embarkation day.
Unfortunately, one drug that has been widely tipped as a treatment for the disease does not kill the SARS virus in a petri dish, seriously denting any hope that the drug will be effective at treating SARS in people.
She knows that when her money runs out, the virus will kill her.
Today, dozens of researchers and millions of dollars in funding support a mission to locate, activate and kill cells infected by dormant virus without harming patients.
The T-cells from those who have been exposed automatically recognise the disease in their new host and kill PTLD cells loaded with the virus.
According to the CDC, it takes less than a minute for E. coli to be inactivated if chlorine levels are adequate, about 16 minutes to control Hepatitis A virus, about 45 minutes to kill off the Giardia parasite and over 10 days for a Crypto parasite.
All influenza vaccines are made by growing influenza virus particles in chicken eggs before treating them in a way to kill (inactivate) or weaken the viruses.
In 2006 researchers from the Hebrew University in Israel isolated a variant of the virus that causes Newcastle disease, a highly contagious disease in birds that can kill.
ECONOMIST: The prospects for using genes as a therapy may be improving
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