Benign footrot creates problems with differentiation from virulent
Some veterinarians stress the need for genotype-matched vaccines--those containing genes from the virulent
virus, says microbiologist Claudio Afonso at the Agricultural Research Service's Southeast Poultry Research Laboratory (SEPRL) in Athens, Georgia.
(HV), moderately virulent
(MV) and less virulent
(LV) as previously reported by Jamil et al.
To check the neutralizing titer (effective dilution) of antibodies, different dilutions of serum were injected in rabbits and then these rabbits were challenged with virulent
And having a strain that is virulent
is not unusual.
It's not known whether the pathogenic cells that had been starved before their rejuvenation are more virulent
, as virulent
, or less virulent
than those that have been actively growing and unstarved.
People are still making decisions over this but we want to get cracking before we get a second wave, which is usually more virulent
Experts are already drawing up a priority list of patients to be given immunity before the bug becomes more virulent
This is the first time we have a chance to prevent a virulent
form of cancer,'' Lieber said.
Extensive molecular research showed that this isolate belonged to the highly virulent
AFLP genotype 6A (VGIIa) of Cryptococcus gattii, which is the major genotype involved in the Vancouver Island C.
13, the Centers for Disease Control and Prevention in Atlanta learned that the raw leafy green was the prime suspect in a spate of virulent
Escherichia coli infections.
Of course, there is more here than a virulent
outbreak: there are nefarious characters, strange connections with his former professors, an old girlfriend, a corporation using porcine organs for human transplants, and several murders dubbed accidents.