How is chickenpox (varicella) transmitted?

Updated: Aug 31, 2020
  • Author: Anthony J Papadopoulos, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Chickenpox is usually acquired by the inhalation of airborne respiratory droplets from an infected host. The highly contagious nature of varicella-zoster virus (VZV) underlies the epidemics that spread quickly through schools. [2] High viral titers are found in the characteristic vesicles of chickenpox; thus, despite the lower associated risk, viral transmission may also occur through direct contact with these vesicles.


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