What are the transmission routes of herpes zoster?
Apr 25, 2022
Source: Cainiu Health
Dr. Jiang Weimin
Introduction
In daily life, herpes zoster is caused by the varicella-zoster virus (VZV), typically transmitted via the respiratory tract or direct contact. The virus can enter the bloodstream through the respiratory mucosa, leading to viremia. Herpes zoster predominantly affects adults, with incidence increasing with age; it is also closely associated with the body’s immune status. Everyone should therefore remain vigilant and take appropriate preventive measures.
Herpes zoster (shingles) is caused by the varicella-zoster virus (VZV), typically transmitted via the respiratory route or direct contact. The virus can enter the bloodstream through the mucosa of the respiratory tract, leading to viremia. What are the transmission routes of herpes zoster?
Transmission Routes of Herpes Zoster
In daily life, herpes zoster is caused by the varicella-zoster virus and is generally transmitted via the respiratory route or direct contact. The virus may invade the bloodstream through the respiratory mucosa, resulting in viremia. Herpes zoster predominantly affects adults, with incidence increasing with age; the disease is also closely associated with the host’s immune status. In everyday life, it is essential to avoid exposure to individuals with active herpes zoster—particularly elderly individuals, young children, and pregnant women, whose immune defenses are relatively weaker. During the acute vesicular phase, prompt, standardized antiviral therapy is mandatory to prevent viral latency in the dorsal root ganglia, which could otherwise lead to permanent, irreversible nerve damage. Patients should avoid close contact with others to prevent transmission. Following recovery, most individuals develop long-lasting immunity, making recurrence uncommon.
Herpes zoster is primarily caused by infection with the varicella-zoster virus. Contact with personal items—such as towels or bath towels—used by a person with active herpes zoster places one at high risk for VZV infection. Once infected, the virus can invade the human body via the respiratory mucosa, thereby triggering herpes zoster.
The varicella-zoster virus can remain latent within the human body. When host immunity declines, the virus may reactivate and replicate, leading to recurrent herpes zoster. Therefore, vigilance in daily life is crucial, and early diagnosis and treatment are strongly advised upon symptom onset. We hope this information has been helpful. Wishing you good health and happiness!
