This virus is a member of the genus singurl Rubivirus and is single-stranded RNA. Infects humans, especially women, andtransmission is through secretions nasofaringiene heapedincidence in winter and spring. 50-75% of infections aresymptomatic, the remainder being subclinical.
The clinical picture includes:
-moderate fever, malaise, coryza
-rash-maculopapular exanthema on the face and then trunk and legs, avoiding the palms and soles
-significant lymphadenopathy (posterior cervical, and occipitalpostauriculara)
bursca-arthritis is a week before or after eruption
-morning stiffness and polyarticular that distribution is symmetrical,short duration and without sequelae
-arthritis and can occur several weeks after vaccination withattenuated virus, similar to natural infection
children-two syndromes can occur: arm-radiculoneurita brachialsyndrome with pain in his arm and hands and that's worse at nightradiculoneuropatie diestezii that causes lumbar pain after liftingpopliteal fossa in the morning, both syndromes occur in 1-2 monthsafter vaccination first episode can last two months, but recurrenceis short in duration.
The route of transmission is through secretions nasofaringiene withincreased incidence in winter and spring.
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