Influenza A viruses (IAVs) are the causative agents of one of the most important viral respiratory diseases in pigs and humans. Human and swine IAV are prone to interspecies transmission, leading to regular incursions from human to pig and vice versa. This bidirectional transmission of IAV has heavily influenced the evolutionary history of IAV in both species. Transmission of distinct human seasonal lineages to pigs, followed by sustained within-host transmission and rapid adaptation and evolution, represent a considerable challenge for pig health and production. Consequently, although only subtypes of H1N1, H1N2, and H3N2 are endemic in swine around the world, extensive diversity can be found in the hemagglutinin (HA) and neuraminidase (NA) genes, as well as the remaining six genes. We review the complicated global epidemiology of IAV in swine and the inextricably entangled implications for public health and influenza pandemic planning.
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This study examined the outcome effects of cognitive match between Asian and White outpatient clients and their therapists. Many clinicians believe that one hindrance to the treatment of ethnic minority clients is that therapists and clients may not share common assumptions and attitudes
Older adults constitute the group with the greatest increase in Internet usage in the past decade; however, usage varies greatly within this population. Services to older adults require a current understanding of Internet-use trends. This study utilized a quantitative survey method to examine correlates of, and barriers to, current Internet use in a demographically diverse county in Southern California. Findings indicate that the presence of a computer at home, a job requiring computer use, age, education, and ethnicity are important factors in predicting Internet use in older adults. Implications for social work practice with older adults is discussed.
The Net Generation has adopted textisms as shortcuts in electronic communication. Two studies investigated whether the reported use of textisms in daily electronic communication is related to the quality of writing. Seven hundred and eighteen young adults were queried about how often they used linguistic and contextual textisms, instant messaging, monthly cell minutes, and monthly text messaging. In Study 1 they wrote a formal letter to a company and in Study 2 they were asked to write both a formal letter and provide an informal writing sample on happiness. Textism use was quite low, a finding that was consistent with previous research on texting and instant messaging. The data reflected negative associations between reported textism use in daily communications and formal writing and positive associations between textisms use and informal writing. These relationships varied by gender and level of education, varying most strongly among those without a college education. The results are discussed in terms of Low-Road/ High-Road Transfer of Situated Learning Theory.
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