Chickenpox

= Chickenpox :'( =

__Description of virus that causes the disease. __

 Varicella Zoster Virus > most common in children and causes more serve illness in adults > most common in adults
 * DNA virus of the herpes group
 * Infecting particles can be found in the upper airways and fluid pats of the vesicles (blisters)
 * Varicella: produces vesicular pruritic disseminated lesions at different rates
 * Zoster: lesions are localized and painful, often involving the trunk (torso)
 * genome size 125 kbp, long and short fragments with a total of 4 isometric forms


 * Varicella Zoster virus in the skin:**

__Viral Specificity: __

 (Part of the body or tissue type or hosts affected)
 * affects the respiratory track from inhalation
 * occurs in lymph nodes and attacks the other cells
 * virus is specific and spreads throughout the body

__Symptoms and progression of the disease: __


 *  2 days of fever and sore throat
 *  within 24 hrs a rash (250-500 blisters) develops on torso then develops within 7-10 days to the rest of body
 * <span style="font-family: Georgia,serif;"> major- skin infection, pneumonia, neurological complications, Reye's syndrome
 * <span style="font-family: Georgia,serif;">rare complications: hepatitis, kidney disease, ulcers of the intestinal tract, and inflammation of testes (orchitis) have all been described.
 * Appearance of chickenpox:**

<span style="font-family: Georgia,serif;"> (Include major complications. Provide pictures or graphics)

__<span style="font-family: Georgia,serif; font-size: 120%;">Common Methods of Transmission: __
 * <span style="font-family: Georgia,serif;"> skin to skin contact!!!!!!!!!
 * <span style="font-family: Georgia,serif;">or passed through the air from a cough or sneeze.

__<span style="font-family: Georgia,serif; font-size: 120%;">Treatment and Prevention: __
 * <span style="font-family: Georgia,serif;"> vaccine
 * <span style="font-family: Georgia,serif;">proper hygiene
 * <span style="font-family: Georgia,serif;">calamine lotion for blisters
 * <span style="font-family: Georgia,serif;">cool baths every 3-4 hours
 * <span style="font-family: Georgia,serif;">allergy medicines
 * <span style="font-family: Georgia,serif;">drink fluids
 * <span style="font-family: Georgia,serif;">if contagious keep isolated

__<span style="font-family: Georgia,serif; font-size: 120%;">Miscellaneous: __ <span style="font-family: Georgia,serif;"> Discovery- Giovanni Filippo- 1500 in Italy. <span style="font-family: Georgia,serif;"> Named- Richard Morton- 1600 due to the thought of a milder form of smallpox. <span style="font-family: Georgia,serif;"> Difference- William Heberden- 1700 noticed the difference between the two. <span style="font-family: Georgia,serif;"> Why is it called chickenpox? <span style="font-family: Georgia,serif;"> - the blisters look as if the skin was picked by chickens.

<span style="font-family: Georgia,serif;"> NOT CAUSED BY CHICKENS!

__<span style="font-family: Georgia,serif; font-size: 120%;">Resources accessed: __

<span style="font-family: Georgia,serif;"> http://www.emedicinehealth.com/chickenpox/page2_em.htm#Chickenpox%20Causes

<span style="font-family: Georgia,serif;"> http://www.wisegeek.com/what-are-the-different-methods-of-chickenpox-transmission.htm