Everything you touch is a source of some pathogen, including and especially the payment keypad at your local pharmacy which I am convinced is the source of the spread of 98% of communicable disease.
Since TB patients with multiple episodes of treatment do not meet the eligibility for free treatment in China, and there are no standardization of TB medical services for retreatment failed patients, this population become a 'neglected' group, although from the perspective of public health this group could be a long-standing source of the spread of M/XDR-TB.
We recently showed that 6 G. destructans strains from sites near Albany were genetically similar (2), raising the possibility of a common source for the spread of this infection.
Coccoid forms were observed in one prospective study of human gastric biopsies in 83% of cases [68] and it has been suggested that they may provide a source for the spread of infection or of recrudescence in patients reportedly cured [69].
In Section 5, the empirical evidence on the magnitude and nature of trading costs is summarized, and inferences are drawn about the importance of various sources of the spread.
(3) Use of dots diffusion model to study spread of the SARS epidemic by different modes of transport, and use flying spot spread model to study input output sources of the spread of SARS in different regions [ 15, 16], to predict trends in the spread of SARS in the medium to long term on a national and metropolitan basis.
Our study showed that settlements are a source for the spread of non-native plant species into Central European suburban forests, and that the composition of the surrounding landscape matrix (e.g. traffic infrastructure, percentage cover of gardens) also affects the establishment of non-native plants.
Hence, southern China, especially Guangdong, perhaps served as the critical source for the spread of the H9N2 virus in China, whereas eastern China, for example, the Jiangsu province, was also an important secondary source to seed outbreaks.
AS if chronic delays, rising fares and the looming threat of disruptive labor disputes this spring and summer weren't enough, put-upon airline travelers have been hearing more lately about another potential source of dismay: the spread of infectious disease.
The source of this spread could be either residual inoculum or infection shed by the infected sheep into the environment.
With its "multiple tentacles," this new form of anti-Semitism appeals to social and political groups that in the past would have been unlikely sources for the spread of such hatred.
