Togavirus-Toga Toga Togavirus Flashcards
What is the sense and nucleic acid for Togaviruses
Positive sense RNA
What is the state of envelope in Togaviruses
Viral envelope is present
What are the three types of Arboviruses
Venezuelan, Western and Eastern Equine encephalitis
What are the two viruses in the Togaviruses family
Arbovirus and Rubella
What are the symptoms of Arbovirus infections
-General encephalopathy
headache, fever, altered mental status
What are the three type of Rubella viral infections
1-congenital
2-childhood
3-adulthood
What are the symptoms seen in congenital Rubella
Mental retardation, microcephaly, blindness, cataracts, jaundice, patent ductus arteriosus, pulmonic stenosis, blueberry muffin rash
What is the triad for Rubella
1) Patent ductus arteriosus
2) Congenital cataracts
3) Sensory-neural deafness
What are the symptoms for childhood Rubella infections
- Post-auricle and occipital lymphadenopathy
- maculopapular rash that starts on face and moves downward, moves faster than measles
What is the method of transmission for Arbor virus
Mosquitos
What is the method of transmission of the Rubella infection
Respiratory droplets
What are the symptoms of Rubella in adults
Knee pain, arthritis, seizures, lymphadenopathy
What is the vaccine given from prevention of Rubella
In the MMR vaccine, which is a live attenuated virus
Which population should not receive the MMR vaccine
Pregnant women, those in immunocompromised individuals, especially those with CD4 <200
What is the characteristic of the protein product that is produced by Togaviruses
One long protein product that is cleaved by viral proteases
What is a likely indication to Rubella infection
Immigrant with descending rash, because they are likely not vaccinated
