Chickenpox epidemiology and demographics: Difference between revisions

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{{Chickenpox}}
{{Chickenpox}}
==Overview==
==Overview==
The incidence of chicken pox varies among various age groups. [[Varicella]] commonly affects children less than 10 years of age with the highest incidence among children 1-4 years of age. The incidence of chickenpox for children between 0 to 4 years of age is 5234 per 100,000 individuals. Between the years 1990-1994, the case fatality rate of chickenpox in the US/UK is 2-3 per 100,000 individuals. In the developed countries chickenpox causes around 3 deaths per 100,000 individuals.


==Epidemiology==
==Epidemiology==
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===Incidence===
===Incidence===


The incidence of chicken pox varies among age groups. The incidence rates per 100,000 persons in each age group were as follow:  
The incidence of chicken pox varies among various age groups. The incidence rates per 100,000 persons in each age group were as follow:  
   
   
*For age groups 0 to 4 years 5234 per 100,000 person
*For age groups 0 to 4 years 5234 per 100,000 individuals
*For age groups 5 to 9 years 4132 per 100,000 person
*For age groups 5 to 9 years 4132 per 100,000 individuals
*For age groups 10 to 14 years 1404 per 100,000 person
*For age groups 10 to 14 years 1404 per 100,000 individuals
*For age groups 15 to 19 years 610 per 100,000 person
*For age groups 15 to 19 years 610 per 100,000 individuals
*For age groups >20 years 175 per 100,000 person
*For age groups >20 years 175 per 100,000 individuals
These rates continued to decline for older age groups <ref name="pmid7658062">{{cite journal |vauthors=Choo PW, Donahue JG, Manson JE, Platt R |title=The epidemiology of varicella and its complications |journal=J. Infect. Dis. |volume=172 |issue=3 |pages=706–12 |year=1995 |pmid=7658062 |doi= |url=}}</ref>
The rates of incidence of chickenpox continues to decline for older age groups.<ref name="pmid7658062">{{cite journal |vauthors=Choo PW, Donahue JG, Manson JE, Platt R |title=The epidemiology of varicella and its complications |journal=J. Infect. Dis. |volume=172 |issue=3 |pages=706–12 |year=1995 |pmid=7658062 |doi= |url=}}</ref>
[[Image:Chickenpox Graph 1.jpg|center|500px]]
[[Image:Chickenpox Graph 1.jpg|center|500px]]


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===Gender===
===Gender===


*The prevalence and incidence of chickenpox does not vary by gender.  
*The prevalence and incidence of chickenpox generally does not vary by gender.  
*Chickenpox is more prevalent in females between the ages of 15 - 24 when compared to males.<ref name="pmid14979582">{{cite journal |vauthors=Fleming DM, Cross KW, Cobb WA, Chapman RS |title=Gender difference in the incidence of shingles |journal=Epidemiol. Infect. |volume=132 |issue=1 |pages=1–5 |year=2004 |pmid=14979582 |pmc=2870070 |doi= |url=}}</ref>
*However, chickenpox is more prevalent in females between the ages of 15 - 24 as compared to males.<ref name="pmid14979582">{{cite journal |vauthors=Fleming DM, Cross KW, Cobb WA, Chapman RS |title=Gender difference in the incidence of shingles |journal=Epidemiol. Infect. |volume=132 |issue=1 |pages=1–5 |year=2004 |pmid=14979582 |pmc=2870070 |doi= |url=}}</ref>


===Race===
===Race===
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*Incidence
*Incidence
**15.0 – 16.0/1,000 persons per year
**1500 – 1600 per 100,000 persons per year
*Deaths
*Deaths
**3 deaths per 100,000 cases
**3 deaths per 100,000 individuals




Revision as of 14:39, 30 June 2017


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:

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Overview

The incidence of chicken pox varies among various age groups. Varicella commonly affects children less than 10 years of age with the highest incidence among children 1-4 years of age. The incidence of chickenpox for children between 0 to 4 years of age is 5234 per 100,000 individuals. Between the years 1990-1994, the case fatality rate of chickenpox in the US/UK is 2-3 per 100,000 individuals. In the developed countries chickenpox causes around 3 deaths per 100,000 individuals.

Epidemiology

Incidence

The incidence of chicken pox varies among various age groups. The incidence rates per 100,000 persons in each age group were as follow:

  • For age groups 0 to 4 years 5234 per 100,000 individuals
  • For age groups 5 to 9 years 4132 per 100,000 individuals
  • For age groups 10 to 14 years 1404 per 100,000 individuals
  • For age groups 15 to 19 years 610 per 100,000 individuals
  • For age groups >20 years 175 per 100,000 individuals

The rates of incidence of chickenpox continues to decline for older age groups.[1]

Case Fatality Rate

Between the years 1990-1994, case fatality rate in the US/UK is 2-3 per 100,000.

  • The case fatality rate among children was 1 per 100,000.
  • In 2008 the case fatality rate in Brazil estimated case fatality rate is 4 per 100,000. [2]
  • In 2000 the case fatality rate in Guinea Bissau was approximately 129 per 100,000 case, 50 times higher than US/UK.
  • In 1970, the case fatality rate in India among adults was 52 per 100,000 cases, 20 times higher than US/UK.
  • Worldwide, the case fatality rate among adults was 20-25 per 100,000. [2]

Demographics

Age

  • The prevalence of chicken pox decreases with age.
  • Varicella commonly affects children less than 10 years of age with the highest incidence among children 1-4 years of age.

Gender

  • The prevalence and incidence of chickenpox generally does not vary by gender.
  • However, chickenpox is more prevalent in females between the ages of 15 - 24 as compared to males.[3]

Race

  • There is no racial predilection for chickenpox.

Developed Countries

The epidemiology and demographics of chickenpox in the developed countries are as follows:[2]

  • Incidence
    • 1500 – 1600 per 100,000 persons per year
  • Deaths
    • 3 deaths per 100,000 individuals


Gallery

References

  1. ↑ Choo PW, Donahue JG, Manson JE, Platt R (1995). "The epidemiology of varicella and its complications". J. Infect. Dis. 172 (3): 706–12. PMID 7658062.
  2. ↑ 2.0 2.1 2.2 "www.who.int" (PDF).
  3. ↑ Fleming DM, Cross KW, Cobb WA, Chapman RS (2004). "Gender difference in the incidence of shingles". Epidemiol. Infect. 132 (1): 1–5. PMC 2870070. PMID 14979582.
  4. ↑ "Public Health Image Library (PHIL)".


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