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Microbe Hunting: A Curious Case of Cryptococcus
Bartlett Karen H.,Kidd Sarah,Duncan Colleen,Chow Yat,Bach Paxton,Mak Sunny,MacDougall Laura,Fyfe Murray Korean Society of Environmental Health 2005 한국환경보건학회지 Vol.31 No.3
C. neoformans-associated cryptococcosis is primarily a disease of immunocompromised persons, has a world-wide distribution, and is often spread by pigeons in the urban environment. In contrast, C. gattii causes infection in normal hosts, has only been described in tropical and semi-tropical areas of the world, and has a unique niche in river gum Eucalyptus trees. Cryptococcosis is acquired through inhalation of the yeast propagules from the environment. C. gattii has been identified as the cause of an emerging infectious disease centered on Vancouver Island, British Columbia, Canada. No cases of C. gattii-disease were diagnosed prior to 1999; the current incidence rate is 36 cases per million population. A search was initiated in 2001 to find the ecological niche of this basidiomycetous yeast. C. gattii was found in the environment in treed areas of Vancouver Island. The highest percentage of colonized-tree clusters were found around central Vancouver Island, with decreasing rates of colonization to the north and south. Climate, soil and vegetation cover of this area, called the Coastal Douglas fir biogeoclimatic zone, is unique to British Columbia and Canada. The concentration of airborne C. gattii was highest in the dry summer months, and lowest during late fall, winter, and early spring, months which have heavy rainfall. The study of the emerging colonization of this organism and subsequent cases of environmentally acquired disease will be informative in planning public health management of new routes of exposure to exotic agents in areas impacted by changing climate and land use patterns.
Report from IPITA-TTS Opinion Leaders Meeting on the Future of &bgr;-Cell Replacement
Bartlett, Stephen T.,Markmann, James F.,Johnson, Paul,Korsgren, Olle,Hering, Bernhard J.,Scharp, David,Kay, Thomas W. H.,Bromberg, Jonathan,Odorico, Jon S.,Weir, Gordon C.,Bridges, Nancy,Kandaswamy, R Wolters Kluwer Health, Inc. All rights reserved. 2016 Transplantation Vol.100 No.2
BARTLETT, HELEN P.,PHILLIPS, DAVID R. Institute for Social Development and Policy Resear 1995 Korea Journal of Population and Development Vol.24 No.2
Although the UK’s population is not predicted to grow very much in the future, the population structure is changing and there is a shift towards a much older age distribution. The characteristics of demographic aging in the UK include a marked reduction in fertility rates, increasing rates of life expectation at birth (ELB), increasing dependency ratios and variations in mortality and social class in old age. The UK’s demographic context has important implications for aged care policy and planning. This paper documents the demographic trends, reviews recent major policy changes and their impact on care provision, and discusses some of the emerging implementation issues that challenge the potential of such policies to meet the needs of an aging population.
Microbe hunting: a Curious Case of Cryptococcus
Karen H. Bartlett,Sarah Kidd,Colleen Duncan,Yat Chow,Paxton Bach,Sunny Mak,Laura MacDougall,Murray Fyfe 한국환경보건학회 2005 한국환경보건학회지 Vol.31 No.3
C. neoformans-associated cryptococcosis is primarily a disease of immunocompromised persons, has a world-wide distribution, and is often spread by pigeons in the urban environment. In contrast, C. gattii causes infection in normal hosts, has only been described in tropical and semi-tropical areas of the world, and has a unique niche in river gum Eucalyptus trees. Cryptococcosis is acquired through inhalation of the yeast propagules from the environment.C. gattii has been identified as the cause of an emerging infectious disease centered on Vancouver Island, British Columbia, Canada. No cases of C. gattii-disease were diagnosed prior to 1999; the current incidence rate is 36 cases per million population. A search was initiated in 2001 to find the ecological niche of this basidiomycetous yeast.C. gattii was found in the environment in treed areas of Vancouver Island. The highest percentage of colonized-tree clusters were found around central Vancouver Island, with decreasing rates of colonization to the north and south. Climate, soil and vegetation cover of this area, called the Coastal Douglas fir biogeoclimatic zone, is unique to British Columbia and Canada. The concentration of airborne C. gattii was highest in the dry summer months, and lowest during late fall, winter, and early spring, months which have heavy rainfall. The study of the emerging colonization of this organism and subsequent cases of environmentally acquired disease will be informative in planning public health management of new routes of exposure to exotic agents in areas impacted by changing climate and land use patterns.