companydirectorylist.com  Global Business Directory e directory aziendali
Ricerca Società , Società , Industria :


elenchi dei paesi
USA Azienda Directories
Canada Business Elenchi
Australia Directories
Francia Impresa di elenchi
Italy Azienda Elenchi
Spagna Azienda Directories
Svizzera affari Elenchi
Austria Società Elenchi
Belgio Directories
Hong Kong Azienda Elenchi
Cina Business Elenchi
Taiwan Società Elenchi
Emirati Arabi Uniti Società Elenchi


settore Cataloghi
USA Industria Directories














  • 艾滋病 - 维基百科,自由的百科全书
    一般将病程处于急性感染期与潜伏期的感染者称为“hiv携带者”,而将进入症状期(发病期)的感染者称为“艾滋病人”。 hiv以人体免疫系统中的cd4+ t细胞(辅助性t细胞,th)为攻击目标。
  • 艾滋病 - 百度百科
    艾滋病,又称获得性免疫缺陷综合征(aids)是由人类免疫缺陷病毒(hiv)引发的全身性疾病。常见类型包括hiv-1型和hiv-2型,其中hiv-1型在中国居主导地位。
  • HIV - Wikipedia
    The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive [3]
  • HIV AIDS - Symptoms and causes - Mayo Clinic
    Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called chronic, condition It's caused by the human immunodeficiency virus, also called HIV HIV damages the immune system so that the body is less able to fight infection and disease If HIV isn't treated, it can take years before it weakens the immune system enough to become AIDS
  • HIV and AIDS - World Health Organization (WHO)
    WHO fact sheet on HIV and AIDS with key facts and information on signs and symptoms, transmission, risk factors, testing and counselling, prevention, treatment and WHO response
  • What Are HIV and AIDS? - HIV. gov
    It is spread by contact with certain bodily fluids of a person with HIV, most commonly during unprotected sex (sex without a condom or HIV medicine to prevent or treat HIV), or through sharing injection drug equipment If left untreated, HIV can lead to the disease AIDS (acquired immunodeficiency syndrome)
  • About HIV | HIV | CDC - Centers for Disease Control and Prevention
    HIV treatment helps people live long, healthy lives and prevents HIV transmission Overview HIV (human immunodeficiency virus) is a virus that attacks the body's immune system
  • HIV and AIDS: Symptoms, Causes, Treatments, and More - Healthline
    HIV damages the immune system Without treatment, AIDS can develop Learn all about HIV and AIDS, including symptoms, treatments, and life expectancy




Annuari commerciali , directory aziendali
Annuari commerciali , directory aziendali copyright ©2005-2012 
disclaimer