common cold vs influenza

Common Cold Vs Flu

Stuffy or runny nose

Sneezing

Coughing

Sore throat

Cold Flu

Yes Sometimes

Yes Sometimes

Yes Sometimes

Yes Sometimes

With green or yellow gunk

A dry cough

WebMD Medical Reference

Body aches

Nausea

Fever

Chills and Sweats

Cold Flu

Mild head/body aches

Severe aches all over

No Sometimes

Yes

No Yes

Rare for adults

WebMD Medical Reference

>200 different

viruses

What causes common cold?

No drugs to cure

Body defense to defeat these

Can be treated or not?

How to treat it?

How do you get cold?

4-6 days 7 days

symptoms contagious

contagious

incubation

How do you cope with common cold?

Feeling sick

Rest

A lot of fluids

Chicken soups

Sore throat

Gargle with warm salt water

Take lozenge

Stuffy nose

Try nasal decongestant

Try antihistamine

Body pain/fever

Try analgesic or antipyretic

“Flu”

Sudden onset

High fever/headache

Coughing (dry)

Sore throat/runny nose

Muscle/Joints pain

Severe pneumonia

Respiratory failure

Seasonal “Flu”

Influenza virus

A

B

C

H1N1 H5N1

Worldwide;

3-5 millions of severe illness

250,000 – 500,000 death

1-2 peaks in rainy season

Risk group: elderly, young, chronic illness

Seasonal epidemic

Seasonal epidemic

Mild illnesses/no epidemic

Sub-typeType

No sub-type

Epidemic/Not

Influenza A virus has many sub-types?

Why do we scare about “Swine flu”?

Bird flu

Swine flu

Spanish flu

Asian flu

H K flu

H1 N1

H2 N2

H3 N2

H5N1

H1N1

1918

1957

1968

2004

2009

50 millions

1 million

1 million

83

10,000

1.8 billion

3.8 billion

4.5 billion

6.5 billion

>6.5 billion

Death toll World pop

Spanish flu in history

How do you get Flu?

Inhalation Ingestion

Uncooked pork

Primary Prevention of Flu

Wash your hands

Cover your cough

Wearing facemask

Prevention with vaccination

Trivalent protect

Monovalentprotect

H1N1 H1N1

H3N2

Influenza B

http://www.immunize.org/askexperts/experts_inf.asp

1st dose of Flu vaccine

Start to protect after 2 weeks

2nd dose of FluAfter 1 month

Protect flu risk until

Can we treat it?

“Tamiflu” is the drug for cure “flu”

Common side effects: ARV=Tamiflu