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BIO 230: Viral Respiratory Infections
Viral Respiratory Infections
31
Biology
Undergraduate 2
08/15/2009

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Term
Rapid onset viral infection of the nose and throat.
Definition
Characteristics of an infection caused by Rhinovirus and Corona virus.
Term
Respiratory secretions
Definition
How Rhinovirus is transmitted.
Term
Rhinovirus
Definition
"Common cold" virus
Term

Inflammation of nose, throat, eyes, sinuses, ears.

Fever, congestion, cough, malaise

Definition
Symptoms of acute viral rhinitis
Term
Very mild symptoms last 2-5 days
Definition
Duration of Acute Viral Rhinitis symptoms
Term

Rare


 

Bronchitis

Laryngitis

Pneumonia

Definition
Complications of Acute Viral Rhinitis
Term

Rest

Diet

Fluids

Definition
Treatment for Acute Viral Rhinitis
Term
3,000 +
Definition
Number of known antigenic types of cold viruses.
Term

Respiratory Syncytial Virus

Myxovirus

Paramyxovirus

Adenovirus

Definition
4 Causative organisms for Acute Viral Laryngotracheobronchitis
Term

Larynx Infection

Trachea Infection

Bronchi Infection

Definition
Three infections caused by Acute Viral Laryngotracheobronchitis
Term
Coughing
Definition
How Acute Viral Laryngotracheobronchitis is transmitted.
Term
Acute Viral Laryngotracheobronchitis
Definition
"Croup"
Term

Congestion of respiratory tract

 fever

severe cough

weakness

supressed immune system

Definition
Symptoms of Acute Viral Laryngotracheobronchitis
Term
Pneumonia
Definition
Complication caused by Acute Viral Laryngotracheobronchitis
Term
RSV
Definition
Leading cause of viral respiratory infection in newborns.
Term

Keep cough to a minimum

Keep cough productive

Definition
Treatment for Acute Viral Laryngotracheobronchitis
Term

Vaccination


 

RSV vaccine is in three doses

Definition
Prevention of Acute Viral Laryngotracheobronchitis
Term
Flu
Definition
Viral influenza
Term
Myxoviruses
Definition
Cause viral influenza.
Term

Types A, B and C

 

(can have 100's of recombinants)

Definition
Three main antigenic types of influenza virus.
Term

Direct human to human respiratory contact.

 

coughing, sneezing, etc...

Definition
How viral influenza is transmitted.
Term
  • Inflammation of both upper and lower respiratory tract.
  • Congestion, fever, breathing difficulty, fatigue, malaise, cough, muscle aches, headache, stiff neck.
  • Possibly diarrhea.
Definition
Flu symptoms!
Term
7-14 days
Definition
Duration of viral influenza symptoms.
Term
  1. High risk of secondary bacterial pneumonia
  2. Chronic bronchitis
  3. Pleuritis (pleurisy)
  4. Pericarditis, myocarditis
  5. Very slight risk: meninigitis/encephalitis
Definition
Five complications associated with viral influenza.
Term
  1. Rest, diet, fluids
  2. Antibiotics to prevent bacterial pneumonia
  3. Antiviral chemicals - decrease # of viruses, but do not cure.
Definition
Treatment for viral influenza.
Term
Flu Vaccine
Definition
Prevention of viral influenza.
Term
Flu viruses have spikes
Definition
What makes flu virus difficult to fight and get rid of?
Term

Hemagglutinin spikes (HA)

Neuraminidase spikes (NA)

Definition
Two most common spikes found on flu viruses.
Term

Helps viruses attach to cells in the body.

 

Do not clump red blood cells in body, but do on blood agar as diagnostic tool.

Definition
Pathogenicity of HA spikes on influenza viruses.
Term
Breaks down neuraminic acid.
Definition
Pathogenicity of NA spikes on influenza viruses.
Term

Influenza Viruses

Acute Viral Rhinitis

Acute Viral Laryngotracheobronchitis

 

 

Definition
Three important viral respiratory infections.
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