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Chickenpox. Chickenpox, also known as varicella ( / ˌvɛrəˈsɛlə / VER-ə-SEL-ə ), is a highly contagious, vaccine-preventable disease caused by the initial infection with varicella zoster virus (VZV), a member of the herpesvirus family. [ 3][ 7][ 5] The disease results in a characteristic skin rash that forms small, itchy blisters, which ...
Molluscum contagiosum virus ( MCV) is a species of DNA poxvirus that causes the human skin infection molluscum contagiosum. [ 1] Molluscum contagiosum affects about 200,000 people a year, about 1% of all diagnosed skin diseases. Diagnosis is based on the size and shape of the skin lesions and can be confirmed with a biopsy, as the virus cannot ...
Cowpox is an infectious disease caused by the cowpox virus (CPXV). [ 2] It presents with large blisters in the skin, a fever and swollen glands, historically typically following contact with an infected cow, though in the last several decades more often (though overall rarely) from infected cats. [ 3] The hands and face are most frequently ...
The name of the family, Poxviridae, is a legacy of the original grouping of viruses associated with diseases that produced poxes on the skin. Modern viral classification is based on phenotypic characteristics; morphology, nucleic acid type, mode of replication, host organisms, and the type of disease they cause.
Vertebrates, including mammals and humans, and arthropods serve as natural hosts. There are 12 species in this genus. Diseases associated with this genus include smallpox, cowpox, horsepox, camelpox, and mpox. [1] [2] The most widely known member of the genus is Variola virus, which causes smallpox.
Latent syphilis is defined as having serologic proof of infection without symptoms of disease. [19] It develops after secondary syphilis and is divided into early latent and late latent stages. [27] Early latent syphilis is defined by the World Health Organization as less than 2 years after original infection. [27]
Variola caprina ( goat pox) is a contagious viral disease caused by Goatpox virus, a pox virus that affects goats. The virus usually spreads via the respiratory system, and sometimes spreads through abraded skin. It is most likely to occur in crowded stock. Sources of the virus include cutaneous lesions, saliva, nasal secretions and faeces.
Pigeon pox is a viral disease to which only pigeons are susceptible. It is characterized by pox scabs, which most frequently form on the featherless parts of the bird. The disease is caused by the Pigeon pox virus . It can be transmitted by droplet infection from one animal to another, or more commonly through infected insects or the digestion ...