Common Cold vs Influenza
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Influenza and Cold are sometime difficult to differentiate. Influenza especially type A may cause severe illnesses that lead to death. Prevention is the most effective way of controlling epidemic.
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Common Cold vs Influenza
- 1. Common Cold Vs Flu
- 2. 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
- 3. 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
- 4. >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?
- 5. How do you get cold? 4-6 days 7 days symptoms contagious contagious incubation
- 6. 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
- 7. “Flu” Sudden onset High fever/headache Coughing (dry) Sore throat/runny nose Muscle/Joints pain Severe pneumonia Respiratory failure
- 8. 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
- 9. Influenza A virus has many sub-types?
- 10. 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
- 11. Spanish flu in history
- 12. How do you get Flu? Inhalation Ingestion Uncooked pork
- 13. Primary Prevention of Flu Wash your hands Cover your cough Wearing facemask
- 14. Prevention with vaccination Trivalent protect Monovalent protect 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 Flu After 1 month Protect flu risk until
- 15. Can we treat it? “Tamiflu” is the drug for cure “flu” Common side effects: ARV=Tamiflu