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Clade 9 Variant Of Varicella-Zoster Virus

Clade 9 Variant Of Varicella-Zoster Virus:

Indian Council of Medical Research-National Institute of Virology scientists, have for the first time in the country, found the presence of Clade 9 variant of varicella-zoster virus (VZV).

  • Varicella Zoster Virus is a herpes virus that causes chickenpox, a common childhood illness.
  • It is an exclusively human virus that belongs to the α-herpesvirus family.
  • It is present worldwide and is highly infectious.
  • Primary infection of this virus leads to acute varicella or “chickenpox”.
  • The infections can progress to the central nervous system involvement and severe complications.
  • Chickenpox is a highly contagious disease.
  • It can cause an itchy, blister-like rash, among other symptoms.
  • The rash first appears on the chest, back, and face and then spreads over the entire body.
  • The virus is spread by:
    • Coming in contact with someone who has chickenpox.
    • Breathing air from an infected person who sneezes or coughs.
    • Coming in contact with fluids from an infected child’s eyes, nose or mouth.
  • The incubation period of chickenpox is from 10 to 21 days