نتایج جستجو برای: variola major
تعداد نتایج: 619747 فیلتر نتایج به سال:
Variola major, the causative agent of smallpox, has been eradicated from nature. However, stocks still exist; thus, there is a need for relevant decontamination studies, preferably with nonpathogenic simulants. Previous studies have shown a similarity in response of vaccinia virus and variola major to various decontaminants and thermal inactivation. This study compared vaccinia and fowlpox viru...
ریشه کنی موفقیت آمیز آبله در 33 سال گذشته در دنیا به واسطه واکسن موثر بر ضد آن و عدم ایمنی افراد در حال حاضر موجب شد که این ویروس عامل خوبی به عنوان یک سلاح بیولوژیک مورد توجه قرار گیرد. بیماری آبله، بیماری ویروسی حاد با قابلیت سرایت فوق العاده شدید و خطرناکی است که در اثر آلودگی با ویروس واریولای ماژور از خانواده پاکس ویروس ایجاد می شود. عامل بیماری در منبع عفونت می تواند ماه ها باقی بماند و و...
After the recent summary of World Health Organization-authorized research on smallpox, several clinical issues remain. This policy review addresses whether early hemorrhagic smallpox is disseminated intravascular coagulation and speculates about the cause of the high mortality rate among pregnant women and whether ocular smallpox is partly the result of trachoma or vitamin A deficiency. The joi...
Although smallpox has been known for centuries, the oldest available variola virus strains were isolated in the early 1940s. At that time, large regions of the world were already smallpox-free. Therefore, genetic information of these strains can represent only the very last fraction of a long evolutionary process. Based on the genomes of 48 strains, two clades are differentiated: Clade 1 includ...
Smallpox is a serious infectious disease to have ever afflicted mankind. Smallpox is caused by variola virus, which belongs to a family of viruses known as poxviridae. Pox viruses are large DNA viruses which are 200-400 nm. The smallpox prodrome is characterized by the sudden on-set of high fever (38.5°C-40.5°C) and malaise 10 to 14 days after exposure. As populations grew and migrated, the dis...
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