Airborn Viruses Flashcards
(30 cards)
Name some respiratory viruses that cause rhinitis
Rhino
Corona
Paraininfluenza
Respiratory syncytial
What can rhino virus cause?
Upper respiratory tract infection
What viruses can cause pharyngitis?
Influenza
Adeno
Herpes
What virus causes laryngitis?
Epstein-Barr
What type of virus is RSV?
Ss ➖ RNA circular
Name complications of being infected with RSV
Otitis media (middle ear infection)
Bronchitis
Pneumonia
What treats RSV?
Oxygen
No vaccine/therapy
How many serotypes of PIV are there?
4
What type of virus is PIV?
Ss ➖ RNA circular
What does RSV stand for?
Respiratory syncytial virus
What treats the symptoms if PIV?
Cortisol
What does PIV stand for?
Parainfluenza
Name characteristics of the common cold
Nose & throat Onset= prolonged Temp= up to 38 Rhinitis, throat pain, mild millaise Fast recovery
Characteristics of influenza (flu)
Systemic Sudden onset 38-41 Headache, shivers, limb pain, weakness, collapse Slower recovery
What family does influenza belong?
Orthomyxoviridae
What’s the size if influenza?
80-120 nm
Name the 2 proteins found on influenza
Hemagglutinin
Neurarimidase
What is antigenic drift?
Can cause epidemics
Mutation in envelope proteins
Progressive changes
What is antigenic shift?
No immunity, very sick
Causes pandemics!!
Worse
Massive changes in envelope proteins through REASSORTMENT
What are the differences between an epidemic & pandemic?
‼️‼️‼️Look up
How can genetic reassortment be used to make new vaccines?
Genetic reassortment leads to antigenic shift, making a new vaccine
Name groups of people who are recommended to have the influenza vaccine
65 & over
Chronic respiratory disease (including asthma)
Chronic CVR/ renal disease
Diabetes
What family of virus is the measles virus?
Paramyxovirus
What are the only hosts of measles?
Humans