نتایج جستجو برای: including europe
تعداد نتایج: 1056748 فیلتر نتایج به سال:
Although fertility rates are falling in many countries, Europe is the continent with the lowest. As men and women choose to have fewer children, total fertility rates in Europe have fallen below replacement levels: for a total fertility rate of 1.5, the rate is around 1.7 children per woman for the cohorts born in 1965. This is due to individual decisions arising from the instability of modern ...
background and aims: crimean-congo hemorrhagic fever (cchf) is a fatal viral disease that occurs in approximately 30 countries. it has the most extensive geographic range among the tick-borne viruses that affect human health. cchf viruses have a tripartite rna genome consisting of large (l), medium (m) and small (s) segments. this study was undertaken to determine the genetic relationship of cc...
Background: Clinical research is a specific phase of the production process in the pharmaceutical industry in which companies test candidate drugs on patients in order to collect clinical evidence about safety and effectiveness.Objective: This paper is an operational research which aimed to support the hypothesis that pharmaceutical clinical research is l...
Usutu virus (USUV) is an African mosquito-borne flavivirus, member of the Japanese encephalitis antigenic group. This avian virus is transmitted by arthropod vectors (mainly mosquitoes of the Culex pipiens complex). It is well known that free-living birds, including migratory species, have the potential to disperse certain pathogenic microorganisms. Usutu virus has recently been introduced to E...
Objectives: A survey was conducted to assess the adequacy of sexually transmitted infections (STI) prevention and control policies and programmes in the European region (including the central Asian republics). Methods: An adapted World Health Organization (WHO) model questionnaire was sent to ministry of health officials in all 45 countries of Europe and central Asia. The questionnaire included...
Calcareous grasslands belong to the most diverse, endangered habitats in Europe, but there is still insufficient information about the origin of the plant species related to these grasslands. In order to illuminate this question, we chose for our study the representative grassland species Hippocrepis comosa (Horseshoe vetch). Based on species distribution modeling and molecular markers, we iden...
OBJECTIVES A survey was conducted to assess the adequacy of sexually transmitted infections (STI) prevention and control policies and programmes in the European region (including the central Asian republics). METHODS An adapted World Health Organization (WHO) model questionnaire was sent to ministry of health officials in all 45 countries of Europe and central Asia. The questionnaire included...
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