Airborn Viruses Flashcards

0
Q

Name some respiratory viruses that cause rhinitis

A

Rhino
Corona
Paraininfluenza
Respiratory syncytial

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1
Q

What can rhino virus cause?

A

Upper respiratory tract infection

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2
Q

What viruses can cause pharyngitis?

A

Influenza
Adeno
Herpes

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3
Q

What virus causes laryngitis?

A

Epstein-Barr

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4
Q

What type of virus is RSV?

A

Ss ➖ RNA circular

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5
Q

Name complications of being infected with RSV

A

Otitis media (middle ear infection)
Bronchitis
Pneumonia

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6
Q

What treats RSV?

A

Oxygen

No vaccine/therapy

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7
Q

How many serotypes of PIV are there?

A

4

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8
Q

What type of virus is PIV?

A

Ss ➖ RNA circular

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9
Q

What does RSV stand for?

A

Respiratory syncytial virus

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10
Q

What treats the symptoms if PIV?

A

Cortisol

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11
Q

What does PIV stand for?

A

Parainfluenza

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12
Q

Name characteristics of the common cold

A
Nose & throat
Onset= prolonged
Temp= up to 38
Rhinitis, throat pain, mild millaise
Fast recovery
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13
Q

Characteristics of influenza (flu)

A
Systemic
Sudden onset
38-41 
Headache, shivers, limb pain, weakness, collapse
Slower recovery
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14
Q

What family does influenza belong?

A

Orthomyxoviridae

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15
Q

What’s the size if influenza?

A

80-120 nm

16
Q

Name the 2 proteins found on influenza

A

Hemagglutinin

Neurarimidase

17
Q

What is antigenic drift?

A

Can cause epidemics
Mutation in envelope proteins
Progressive changes

18
Q

What is antigenic shift?

A

No immunity, very sick
Causes pandemics!!
Worse
Massive changes in envelope proteins through REASSORTMENT

19
Q

What are the differences between an epidemic & pandemic?

A

‼️‼️‼️Look up

20
Q

How can genetic reassortment be used to make new vaccines?

A

Genetic reassortment leads to antigenic shift, making a new vaccine

21
Q

Name groups of people who are recommended to have the influenza vaccine

A

65 & over
Chronic respiratory disease (including asthma)
Chronic CVR/ renal disease
Diabetes

22
Q

What family of virus is the measles virus?

A

Paramyxovirus

23
Q

What are the only hosts of measles?

A

Humans

24
Q

What type of virus is measles?

A

Ss ➖ RNA

25
Q

Name measles symptoms

A
Enanthema (inside spots- first thing)
Fever
Laryngitis (sore throat)
Tracheobronchitis
Makulopapulous
Exanthema (outside rash)
Causes immunosuppression
26
Q

What type if immune cells does measles affect?

A

B cells (causes antibody release then you see exanthema)

27
Q

What are the spots seen inside the mouth in measles called?

A

Kopliks spots (enanthema)

28
Q

Where else can measles virus spread other than lungs & blood?

A

The brain!
Can cause encephalitis
Neurological symptoms

29
Q

What fatal condition can wild type measles cause?

A

SSPE

Subacute sclerosing panencephalitis