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Epidemiology of chicken pox part-1

📘📗 āφāϜāϕ⧇ āϝ⧇ āĻŦāĻŋāώ⧟ āύāĻŋā§Ÿā§‡ āĻ•āĻĨāĻž āĻŦāϞāĻž āĻšāĻŦ⧇, āϏ⧇āϟāĻž āĻšāϞ
Chicken poxāĨ¤ā§ˇ āĻāϟāĻž āφāĻŽāĻžāĻĻ⧇āϰ āĻĻ⧇āĻļ⧇ āϜāϞ āĻŦāϏāĻ¨ā§āϤ āĻŦāĻž āĻĒāĻžāύāĻŋ āĻŦāϏāĻ¨ā§āϤ āύāĻžāĻŽā§‡ āĻĒāϰāĻŋāϚāĻŋāϤāĨ¤ āĻāĻ–āύ āφāĻŽāϰāĻž chicken pox āĻŦāĻž āϜāϞ āĻŦāϏāĻ¨ā§āϤ āύāĻŋā§Ÿā§‡ āϜāĻžāύāĻŦ (part-1)

🚩 Chicken pox āĻšāϞ āϏāĻžāϧāĻžāϰāĻŖāϤ āϏāĻ‚āĻ•ā§āϰāĻžāĻŽāĻ• āϰ⧋āĻ— āĻŦāĻž āĻ…āύ⧇āϕ⧇ āϛ⧋āρ⧟āĻžāĻšā§‡ āϰ⧋āĻ— āĻŦāϞ⧇ āĻĨāĻžāϕ⧇āĨ¤

📚Chicken pox Varicella
Zoster virus
āĻĻā§āĻŦāĻžāϰāĻž āĻšā§Ÿā§‡ āĻĨāĻžāϕ⧇āĨ¤

🚩Chicken pox āĻ•āĻŋāĻ­āĻžāĻŦ⧇ āĻāϏ⧇āϛ⧇?

  • 16th century āϤ⧇ Chicken pox āϏāĻŽā§āĻĒāĻ°ā§āϕ⧇ āϏāĻ°ā§āĻŦāĻĒā§āϰāĻĨāĻŽ āĻŦāĻ°ā§āĻŖāύāĻž āĻ•āϰ⧇āύ Giovanni Filippo.
  • ⧧⧝⧭⧍ āϏāĻžāϞ⧇ āϏāĻ°ā§āĻŦāĻĒā§āϰāĻĨāĻŽ Dr. Michiaki Takahashi chicken pox āĻāϰ vaccine āφāĻŦāĻŋāĻˇā§āĻ•āĻžāϰ āĻ•āϰ⧇āύāĨ¤ āϝāĻžāϰ āύāĻžāĻŽ āĻšāϞ varicella vaccineāĨ¤
  • āϏāĻžāϧāĻžāϰāύāϤ chicken pox āĻĻ⧇āĻ–āϤ⧇ chickpeas āĻāϰ āĻŽāϤ⧋āĨ¤

🚩🚩āĻ•āĻžāĻĻ⧇āϰ Chicken pox āĻšāĻ“ā§ŸāĻžāϰ āϏāĻŽā§āĻ­āĻžāĻŦāύāĻž āĻŦ⧇āĻļāĻŋ?

  • āϝāĻžāϰāĻž āĻāχ āĻ­āĻžāχāϰāĻžāϏ āĻĻā§āĻŦāĻžāϰāĻž āφāϗ⧇ āφāĻ•ā§āϰāĻžāĻ¨ā§āϤ āĻ•āĻ–āύ⧋ āĻšā§ŸāύāĻŋāĨ¤
  • āϝāĻžāĻĻ⧇āϰ āĻāχ āĻ­āĻžāχāϰāĻžāϏ āĻāϰ vaccine āĻĻā§‡ā§ŸāĻž āĻšā§ŸāύāĻŋāĨ¤
  • āϝāĻžāĻĻ⧇āϰ āĻāχ āĻ­āĻžāχāϰāĻžāϏ⧇ āϏāĻ‚āĻ•ā§āϰāĻŽāĻŋāϤ āĻŽāĻžāύ⧁āώ⧇āϰ āϏāĻ‚āĻ¸ā§āĻĒāĻ°ā§āĻļ⧇ āφāϏ⧇āĨ¤
  • āϝāĻžāĻĻ⧇āϰ Previously Virus āĻĻā§āĻŦāĻžāϰāĻž infected āĻšā§ŸāύāĻŋāĨ¤ Epidemiological feature:

1/ Occurrence : Chicken pox āϏāĻŦ āĻĻ⧇āĻļ⧇āχ āĻšā§Ÿā§‡ āĻĨāĻžāϕ⧇āĨ¤ āĻāĻ›āĻžā§œāĻžāĻ“ āĻĒā§āϰāϤāĻŋ āĻŦāĻ›āϰ chicken pox āĻāϰ āĻ•āĻžāϰāϪ⧇ āĻĒā§āϰāĻžā§Ÿ ā§Ŧā§Ēā§Ļā§ĻāϜāύ āĻŽāĻžāύ⧁āώ āφāĻ•ā§āϰāĻžāĻ¨ā§āϤ āĻšā§Ÿā§‡ āĻŽāĻžāϰāĻž āϝāĻžā§ŸāĨ¤ āϏāĻžāϧāĻžāϰāĻŖāϤ āĻ—ā§āϰ⧀āĻˇā§āĻŽ āĻĒā§āϰāϧāĻžāύ āĻĻ⧇āĻļ⧇ āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ• āĻ­āĻžāĻŦ⧇ āĻŦāĻžāĻšā§āϚāĻžāĻĻ⧇āϰ āĻŦ⧇āĻļāĻŋ āĻšā§Ÿā§‡ āĻĨāĻžāϕ⧇āĨ¤ āφāĻŦāĻžāϰ āĻļā§€āϤ āĻāĻŦāĻ‚ āĻŦāϏāĻ¨ā§āϤāĻ•āĻžāϞ⧀āύ āϏāĻŽā§Ÿā§‡ āĻāϟāĻŋ āφāĻŽāϰāĻž āĻĻ⧇āϖ⧇ āĻĨāĻžāĻ•āĻŋāĨ¤ āϤāĻŦ⧇, Tropical area āϤ⧇ āϏāĻžāϧāĻžāϰāĻŖāϤ āĻŦ⧟āĻ¸ā§āĻ• āĻŽāĻžāύ⧁āώ⧇āϰ āĻŦ⧇āĻļāĻŋ āĻšā§Ÿā§‡ āĻĨāĻžāϕ⧇āĨ¤

2/ Agent: Chicken pox āĻāϰ agent āĻāϰ āύāĻžāĻŽ āĻšāϞ Varicella Zoster

3/ Reservoir/Host : chicken pox āĻāϰ reservoir /host āĻšāϞ Man.

4/ Mode of Transmission : Chicken pox /varicella zost āĻ­āĻžāχāϰāĻžāϏ, āĻāϟāĻž (person to person) āĻ…āĻ°ā§āĻĨāĻžā§Ž āĻŽāĻžāύ⧁āώ⧇āϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻ›ā§œāĻžā§ŸāĨ¤ āϏ⧁āϤāϰāĻžāĻ‚ āĻšāĻžāϚāĻŋ, āĻ•āĻžāĻļāĻŋ,(Breathing) āύāĻŋāσāĻļā§āĻŦāĻžāϏ āĻāϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻ›ā§œāĻžā§ŸāĨ¤

🚩🚩āĻāĻ›āĻžā§œāĻžāĻ“ āĻāϟāĻž Direct contact, Air Borne āĻāϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡āĻ“ āĻ›ā§œāĻžā§ŸāĨ¤

5/ Incubation Period: (2-3) weeks Average: 14-16 days

🚩 āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ•āĻ­āĻžāĻŦ⧇ āϝāĻ–āύ āϕ⧇āω infection āĻšā§Ÿ āϤāĻ–āύ āĻ­āĻžāχāϰāĻžāϏ āϟāĻž āϏ⧁āĻĒā§āϤ āĻ…āĻŦāĻ¸ā§āĻĨāĻžā§Ÿ sensory nerve ganglia āϤ⧇ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāύ āĻ•āϰ⧇āĨ¤ āĻāĻŽāύāĻ•āĻŋ āĻāϟāĻž āĻĒāϰ⧇ reactivate āĻšā§Ÿ āĨ¤ āĻĒāϰ⧇ Herpes zoster ( shingles) āĻ āĻĒāϰāĻŋāĻŖāϤ āĻšā§ŸāĨ¤

🚩Skin rash āĻšāĻ“ā§ŸāĻžāϰ ā§§-⧍āĻĻāĻŋāύ āφāϗ⧇ āĻœā§āĻŦāϰ, āĻ…āĻ¸ā§āĻĨāĻŋāϰāϤāĻž āĻŦā§‡ā§œā§‡ āϝāĻžā§ŸāĨ¤ āĻŦāĻŋāĻļ⧇āώ āĻ•āϰ⧇ adults āĻĻ⧇āϰāĨ¤

🚩Complication of chicken pox :

Chicken pox āϏāĻžāϧāĻžāϰāĻŖāϤ āϏāĻŦ āĻŦ⧟āϏ⧇āϰ āĻŽāĻžāύ⧁āώ⧇āϰ āϜāĻ¨ā§āϝ āĻ•ā§āώāϤāĻŋāĻ•āĻžāϰāĻ•āĨ¤āϤāĻŦ⧇ āϝāĻžāĻĻ⧇āϰ āϜāĻ¨ā§āϝ āϏāĻŦāĻšā§‡ā§Ÿā§‡ āĻŦ⧇āĻļāĻŋ āĻ•ā§āώāϤāĻŋāĻ•āĻžāϰāĻ• āϤāĻžāϰāĻž āĻšāϞāσ

  • Infants
  • Adolescents
  • pregnant women
  • people with weakened immune system because of illness or medication for example

★people with HIV/AIDS or cancer

★patients who have had transplants

★People on chemotherapy, immunosuppressive medications, or long-term use of steroids

Serious complication from chicken pox :

  • Haemorrhage
  • pneumonia(Infection of the lungs)
  • Encephalitis, Acute cerebral ataxia
  • Reye’s Syndrome ( Acute encephalopathy associated & fatty degeneration of viscera especially liver)
  • oncogenecity
  • skin infection
  • septicemia
  • septic arthritis
  • Bacterial infections of the skin and soft tissues in children, including Group A streptococcal infections
  • Bleeding problems (hemorrhagic complications)
  • Bloodstream infections (sepsis)
  • Dehydration

🚩🚩Symtomps of chicken pox :

Chicken pox āĻ āϏāĻŦāĻšā§‡ā§Ÿā§‡ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϞāĻ•ā§āώāύ āĻšāϞ skin rash āĻšā§Ÿā§‡ āϝāĻžāĻŦ⧇āĨ¤ āĻāĻŦāĻ‚ āĻĒāϰ⧇ skin itcy (āĻĢāĻžāϟāĻž āĻĢāĻžāϟāĻž āĻ­āĻžāĻŦ), fluid -filled blister (āϗ⧁āϟāĻŋ, āĻĢ⧁āϏāĻ•ā§ā§œāĻŋ), scabs ( āĻ–ā§‹āϏ, āĻĒāĻžāĻŦ⧜āĻž) āĻšā§Ÿā§‡ āĻĨāĻžāϕ⧇āĨ¤ āĻāχ rash āϗ⧁āϞ⧋ āĻĒā§āϰāĻĨāĻŽā§‡ āĻŦ⧁āϕ⧇, āĻĒāĻŋāϠ⧇ āĻāĻŦāĻ‚ āĻŽā§āϖ⧇, āĻĒāϰ⧇ āϏāĻžāϰāĻž āĻļāϰ⧀āϰ⧇ āĻ›ā§œāĻŋā§Ÿā§‡ āĻĒāϰ⧇āĨ¤āĻāĻŽāύāĻ•āĻŋ āĻšā§‹āϖ⧇āϰ āφāĻļ⧇āĻĒāĻžāĻļ⧇ genital area āϤ⧇ āĻĻ⧇āĻ–āĻž āϝāĻžā§ŸāĨ¤

āϏāĻžāϧāĻžāϰāĻŖāϤ ā§§ā§Ļ-⧍⧧ āĻĻāĻŋāύ⧇āϰ āĻŽāĻ§ā§āϝ⧇ chicken pox er āϞāĻ•ā§āώāύāϗ⧁āϞ⧋ āĻĒā§āϰāĻ•āĻžāĻļ āĻĒāĻžā§ŸāĨ¤ āϝ⧇āĻŽāύ:

★ Body aches

★Fever

★Feeling extremely tried ( fatigue)

★Feeling Irritable

★Headache

🚩🚩Chicken pox āĻāϰ āϜāϟāĻŋāϞāϤāĻžā§Ÿ / complication āĻāϰ āĻ•āĻžāϰāϪ⧇ āĻ…āύ⧇āĻ• āĻŽāĻžāύ⧁āώ āĻ…āϏ⧁āĻ¸ā§āĻĨāϤāĻž āĻŦā§‹āϧ āĻ•āϰ⧇āύāĨ¤ āϏ⧇āϜāĻ¨ā§āϝ āĻ…āĻŦāĻļā§āϝāχ āφāĻ•ā§āϰāĻžāĻ¨ā§āϤ āĻšāĻ“ā§ŸāĻž āĻŽāĻžāύ⧁āώāϕ⧇ āϝāĻĨāĻžāϏāĻŽā§āĻ­āĻŦ hospitalization āĻ•āϰāĻž āĻĒā§āĻ°ā§Ÿā§‹āϜāύāĨ¤ āĻāϰ āĻ•āĻžāϰāĻŖ āĻŽāĻžāύ⧁āώāϕ⧇ āĻŽā§ƒāĻ¤ā§āϝ⧁āϰ āĻĻāĻŋāϕ⧇ āϠ⧇āϞ⧇ āĻĻā§‡ā§ŸāĨ¤

Reference :

1)
Park 24th Edition ( Community medicine)& Rashid, Khabir,Hyder 5th edition ( community medicine)

2)
https://www.cdc.gov/chickenpox/about/complications.html#:~:text=Serious%20complications%20from%20chickenpox%20include,brain%20(encephalitis%2C%20cerebellar%20ataxia

3) https://www.cdc.gov/chickenpox/about/complications.html#:~:text=Serious%20complications%20from%20chickenpox%20include,brain%20(encephalitis%2C%20cerebellar%20ataxia

4) https://en.m.wikipedia.org/wiki/Chickenpox

5)
https://www.nytimes.com/2013/12/22/health/michiaki-takahashi-85-who-tamed-chickenpox-dies.html

6)
https://www.webmd.com/children/what-is-chickenpox#:~:text=Very%20easily.,blisters%20are%20dried%20and%20crusted

7)
https://www.rchsd.org/health-articles/how-did-chickenpox-get-its-name/#:~:text=One%20is%20that%20it’s%20from,marks%20caused%20by%20a%20chicken

Platform Academic Division
Md.Zubaer Hasan
College : Northern private medical College and hospital

Session :2017-2018

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