Diseases from virus

POLIOVIRUS Polio, also known as poliomyelitis and infantile paralysis, is a highly contagious viral infection that can lead to paralysis, breathing problems, or even death. Polio can be classified as occurring with or without symptoms. About  95 percent  of all cases are asymptomatic, and between 4 and 8 percent of cases are symptomatic. Fast facts on polio Here are some key points about polio.  Polio is caused by the poliovirus. The vast majority of polio infections present no symptoms. Polio has been eradicated in every country of the world except for Nigeria, Pakistan and Afghanistan. Pregnant women are more susceptible to polio. Around half of the people who have had polio go on to develop post-polio syndrome. What is polio? It can spread easily from person to person. Polio is a viral infection that can cause paralysis and death in its most severe forms. It can spread easily from person to person. The World Health Organiation (W

HIV Jump to search Human immunodeficiency viruses Scanning electron micrograph  of HIV-1 (in green) budding from cultured  lymphocyte . Multiple round bumps on cell surface represent sites of assembly and budding of virions. Scientific classification (unranked): Virus Realm : Riboviria Kingdom: Pararnavirae Phylum: Artverviricota Class: Revtraviricetes Order: Ortervirales Family: Retroviridae Subfamily: Orthoretrovirinae Genus: Lentivirus Groups included Human immunodeficiency virus 1 Human immunodeficiency virus 2 Other lentiviruses Bovine immunodeficiency virus Caprine arthritis encephalitis virus Equine infectious anemia virus Feline immunodeficiency virus Jembrana disease virus Puma lentivirus Simian immunodeficiency virus Visna-maedi virus 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]