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Page 13 of about 170 Articles
Papillomaviridae
2011-02-17 17:39:05

Papillomaviridae is a taxonomic family of non-enveloped DNA viruses, collectively known as papillomaviruses. There are several hundred species, or types, of papillomaviruses that have been identified. Most infections are asymptomatic or cause small benign tumors. Types 16 and 18 carry risks of becoming cancerous. They replicate in the basal layer of the body surface tissues. Typically they...

Norovirus
2011-02-17 17:29:15

Norovirus is an RNA virus that causes approximately 90% of epidemic non-bacterial outbreaks of gastroenteritis around the world. It may also be responsible for 50% of all foodborne outbreaks of gastroenteritis in the U.S. It can affect people of all ages and is transmitted by food or water that is contaminated, by person-to-person contact, and through aerosolization of the virus and subsequent...

Merkel Cell Polyomavirus
2011-02-17 16:45:25

Merkel cell polyomavirus (MCV or MCPyV), first discovered in January 2008, is one of seven human tumor viruses. It is suspected to cause most of Merkel cell carcinoma which is a rare, aggressive form of skin cancer. Around 80% of Merkel cell carcinoma tumors are found to be infected with MCV. It is found in respiratory secretions suggesting that it may be transmitted by a respiratory route....

Measles
2011-02-17 16:35:12

Measles, also known as Rubeola or Morbilli, is caused by a virus and infects the respiratory system. Morbilliviruses are enveloped, single-stranded, negative-sense RNA viruses. Symptoms include fever, cough, runny nose, red eyes and a generalized maculopapular erythematous rash. It is spread through respiration and is highly contagious. 90% of people without immunity who share a living...

Marburg virus
2011-02-17 16:29:01

Marburg virus, or Marburg, is the standard name for the genus of viruses Marburgvirus which contains the species, Lake Victoria Marburgvirus. It causes Marburg Hemorrhagic Fever (MHF) which originated with primates. It originated in Africa and can infect humans and primates. It is in the same taxonomic family as Ebola and both are identical structurally although they elicit different...

Lymphocytic choriomeningitis
2011-02-17 16:02:53

Lymphocytic choriomeningitis (LCM) is a viral disease, spread by rodents, that presents as aseptic meningitis, encephalitis, or meningoencephalitis. Lymphocytic Choriomeningitis Virus (LCMV) is the causative agent and is a member of the Arenaviridae family. The name is from the tendency of an individual to have high levels of lymphocytes during infection. It is spread by the common house...

Lassa Fever
2011-02-17 15:14:03

Lassa fever, first described in 1969 in Lassa, is an acute viral hemorrhagic fever. Clinical cases were known a decade before this but were not associated with this viral pathogen. It is endemic in West African countries and causes approximately 5,000 deaths. The Natal Multimammate Mouse is the primary animal host. The rodent is a source of protein but the virus is usually transmitted by...

Kaposi
2011-02-17 15:06:48

Kaposi's sarcoma-associated herpesvirus (KSHV) one of seven currently known human cancer virus, is also the eighth human herpesvirus. Kaposi's sarcoma, caused by the virus, is common in AIDS patients, primary effusion lymphoma, and some types of multicentric Castelman's disease. Moritz Kaposi discovered the blood vessel tumor, in 1872, which would eventually be names Kaposi's sarcoma. It...

Influenza A Virus
2011-02-17 15:02:05

Influenza A virus causes influenza in birds and some mammals. It is a genus of the Orthomyxoviridae family of viruses. Although the virus is uncommon several strains have been isolated from wild birds. Some can cause severe disease in domestic poultry and sometimes in humans. They are negative sense, single-stranded, segmented RNA viruses. Each subtype has mutated into a variety of strains with...

Human Papillomavirus
2011-02-17 14:56:32

A human papillomavirus (HPV), a member of the papillomavirus family, is capable of infecting humans. HPVs establish productive infections in the skin or mucous membranes. Most of the 200 known types cause no symptoms in most people. Some types can cause warts, while others can lead to cancer. There are more than 30 to 40 types of HPV that are typically transmitted through sexual contact and...

Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
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