date:Jul 19, 2012
se to them.
According to Browning, recombination is anatural process that can occur when two viruses infect the same cell at the same time.
While recombination has been recognised as a potential risk associated with live virus vaccines for many years, the likelihood of it happening in viruses like this in the field has been thought to be so low that it was considered to be very unlikely to lead to significant problems,said Browning.
The Australian Pesticide and Veterinary Medicines Authority (