Prevent virus

Xem 1-20 trên 93 kết quả Prevent virus
  • Network Security & Preventing HackerContent: What do a Malicious Hacker Do?, Level of Hacker, Gathering Information of Hacker, Trojan and Backdoor, Sniffers, Firewall and IDS, Countermeasure. Network Security: Software firewall: ISA Server, anti-virus (McAfee, TrendMicro, Norton Antivirus, Symantec) Hardware Firewall: Checkpoint, PIX, Fortinet, Crossbeam, Watchguard, Sonic Walls

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  • Bạn có thể đọc cái này để tham khảo Xuất phát từ hoạt động thực tiễn về phòng, chống và khắc phục hậu quả của virus máy tính, việc tìm hiểu các định nghĩa và phân loại virus máy tính là rất quan trọng. Sau đây là quan điểm của NIST-National Institute of Standart and Technology (Viện tiêu chuẩn - công nghệ quốc gia Hoa kỳ) về định nghĩa và phân loại trong lĩnh vực “virus máy tính”.

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  • AIDS was first recognized in the United States in the summer of 1981, when the U.S. Centers for Disease Control and Prevention (CDC) reported the unexplained occurrence of Pneumocystis jiroveci (formerly P. carinii) pneumonia in five previously healthy homosexual men in Los Angeles and of Kaposi's sarcoma (KS) with or without P. jiroveci pneumonia in 26 previously healthy homosexual men in New York and Los Angeles. Within months, the disease became recognized in male and female injection drug users (IDUs) and soon thereafter in recipients of blood transfusions and in hemophiliacs.

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  • Cervical cancer is the second most prevalent cancer among women worldwide, and infection with Human Papilloma Virus (HPV) has been identified as the causal agent for this condition. The natural history of cervical cancer is characterized by slow disease progression, rendering the condition in essence preventable and even treatable when diagnosed in early stages.

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  • Epstein-Barr virus (EBV) is the cause of heterophile-positive infectious mononucleosis (IM), which is characterized by fever, sore throat, lymphadenopathy, and atypical lymphocytosis. EBV is also associated with several human tumors, including nasopharyngeal carcinoma, Burkitt's lymphoma, Hodgkin's disease, and (in patients with immunodeficiencies) B cell lymphoma. The virus, a member of the family Herpesviridae, consists of a linear DNA core surrounded by a nucleocapsid and an envelope that contains glycoproteins.

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  • Herpes simplex viruses (HSV-1, HSV-2; Herpesvirus hominis) produce a variety of infections involving mucocutaneous surfaces, the central nervous system (CNS), and—on occasion—visceral organs. Prompt recognition and treatment reduce the morbidity and mortality associated with HSV infections. Etiologic Agent The genome of HSV is a linear, double-strand DNA molecule (molecular weight, ~100 x 106 units) that encodes 90 transcription units with 84 identified proteins. The genomic structures of the two HSV subtypes are similar.

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  • Thận trọng với virus Storm “núp” dưới Youtube .Các chuyên gia bảo mật đang cảnh báo người dùng về biến thể mới của virus Storm. Sâu này dùng Youtube làm mồi nhử người dùng kích chuột vào các đường link chứa mã độc. Theo công ty bảo mật Exploit Prevention Labs, tin tặc đã gửi thư rác tới hàng triệu người và dụ dỗ người nhận xem video trên YouTube. Nội dung e-mail nói: “Bạn hãy xem mình trong video này. Đường link này có đoạn phim đó”.

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  • The poxvirus family includes a large number of related DNA viruses that infect various vertebrate hosts. The poxviruses responsible for infections in humans, along with the main manifestations of these infections, are listed in Table 176-1. Infections with orthopoxviruses—e.g., smallpox (variola major) virus (Chap. 214) or the zoonotic monkeypox virus—can result in systemic, potentially lethal human disease. Other poxvirus infections cause primarily localized skin disease in humans.

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  • We report here a new method for inhibition of RNA viruses induced by dsDNA. We demonstrated that both long dsDNA molecules and short interfering DNA with a sequence complementary to that of viral RNA inhibited tobacco mosaic virus expression and prevented virus spread. Also, the expression of the HIV-1 gp41 gene in HeLa cells was inhibited by com-plementary short interfering DNA.

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  • National strategies to address cervical cancer prevention and control should be a part of a comprehensive approach that includes prevention with HPV vaccination for young girls, screening and treatment for women diagnosed with precancerous lesions, and treatment and palliative care for women with invasive cervical cancer. In order to have an impact on cervical cancer mortality these programmes must have universal coverage of the targeted population and financing for long-term sustainability.

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  • This document is a collection of slang terms used by various subcultures of computer hackers. Though some technical material is included for background and flavor, it is not a technical dictionary; what we describe here is the language hackers use among themselves for fun, social communication, and technical debate.

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  • Forty years ago, just prior to the discovery of the hepatitis B surface antigen, the concept that chronic liver disease could be a sequel to infection by any agent of acute viral hepatitis was controversial and hotly debated. With the development of specific and sensitive serologic and virologic markers of infection by the bloodborne and enterically transmitted hepatitis viruses, the linkage of the former agents with chronic hepatitis, cirrhosis, end-stage liver disease, and hepatocellular carcinoma was established beyond doubt....

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  • THERAPY AND PROPHYLAXIS A few antiviral drugs are available for clinical use in special therapeutic and prophylactic situations. Immunoglobulins and vaccines have been prepared for prophylaxis against a considerable number of virus infections. LABORATORY DIAGNOSIS Virus, viral antigen or viral genome may be detected in the early phase of acute disease by electron microscopy, immunological or molecular biological methods or virus isolation. Serologically the diagnosis can be made by demonstration of seroconversion, antibody titre rise or specific IgM....

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  • Lung protection strategy permising hypercapnia induces the development of cranial hyperemia and hypertension. On the other hand, “aggressive” ventilation with high tidal volume may aggravate lung injury and provoke ventilator-associated lung damage(9). In mechanical ventilation treatment, PEEP improves oxygenation by recruitment of atelectatic alveolar units, improving FRC and preventing atelectrauma. Also it may have detrimental neurologic effects in certain clinical circumstances(10).

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  • Influenza viruses are a major cause of morbidity and mortality around the world. More recently, a swineorigin influenza A (H1N1) virus that is spreading via human-to-human transmission has become a serious public concern. Although vaccination is the primary strategy for preventing infections, influenza antiviral drugs play an important role in a comprehensive approach to controlling illness and transmission. In addition, a search for

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  • Rickettsioses have been a threat all along the History and nowadays they are an important cause of morbi-mortality in some areas of the world. To know the distribution of the different diseases caused by these bacteria and how the clinical pictures are recognized may be essential for a quick diagnoses and starting the correct treatment. Some of these infections can be also easily prevented with basic rules. Main rickettsioses with their distribution area are showed in the table 1.

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  • Some terminology we feel fairly strongly about. We do not use the term hacker to describe the vandals that break into computer systems. These criminals call themselves hackers, and that is how they got the name. But they do not deserve the name. True hackers are master programmers, incorruptibly honest, unmotivated by money, and careful not to harm anyone. The criminals termed “hackers” are not brilliant and accomplished.

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  • We planned the first edition of this book on a ‘need to know’ basis, its primary object being to provide students and medical and dental practitioners with the knowledge essential for an informed approach to the prevention and treatment of viral infections. We aimed also at supplying just enough basic virology to underpin the more practical aspects—clinical manifestations, epidemiology, pathogenesis, immune responses, and so forth. And not least, we tried our best to make the text as readable as is possible, given the highly technical nature of some of the material.

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  • Quét virus trang web Một hãng bảo mật vừa cho ra mắt một công cụ miễn phí cho phép người dùng quét các trang web để phát hiện đoạn mã độc hại hoặc các hình thức tấn công khác trước khi họ truy cập vào. Công cụ LinkScanner được phát triển bởi Exploit Prevention Labs là kết quả mới nhất của dự án SocketShield. Đây sẽ là đối thủ cạnh tranh với công cụ SiteAdvisor của hãng bảo mật McAfee.

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  • Poultry in 2006 our country has about 215 million children. Song epidemic of Highly Pathogenic Avian Influenza (HPAI) caused by H5N1 virus broke out in almost all provinces in the country from early 2004 to far as millions of birds have been destroyed. H5N1 epidemic has caused great impact both in terms economic and social area. The question arises: how to limit this dangerous disease and war translated by vaccine inoculation has to be a useful tool? This study aims to classify poultry production system with the obstacles encountered in each system, especially the risk of disease...

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