"If you are half-asleep, you are going to have less outbreaks because you don't recognize them," said Dr. David Acheson, associate commissioner for foods at the Food and Drug Administration.
The passive surveillance system used during the study period may have resulted in less outbreaks being studied than really occurred.
North-east England is now experiencing an unwelcome, albeit less serious outbreak.
"In cases where there is a more or less spontaneous outbreak of multihanded violence, the evidence may be too nebulous for the jury to find that there was some form of agreement, express or tacit".
But the larger question is whether the syndrome can be determined and controlled or whether it will simply pass on as some random act of nature, as happened 20 years ago in what experts say was a far less damaging outbreak of early-term abortions.
Further research may determine whether less aggressive outbreak response may suffice in some populations.
The geographic area within which an infectious individual could infect susceptible individuals was specified as a circular buffer with its radius randomly varying between 5 and 10 km for more clustered outbreaks, and 10 and 20 km for less clustered outbreaks.
Mr. Compaoré is not budging, though, just as he would not after similar but less serious outbreaks in 1999, 2003, 2006, 2007 and 2008, when government buildings were also defaced.
Other pathogens, such as Mycoplasma agalactiae, have caused less severe outbreaks in some Iberian ibex populations [ 26].
Because the later part of the study period tended to have smaller and less frequent outbreaks, there was a lack of consistency in the signals produced by the HLM algorithm, relative to the number of notifications in each outbreak.
