Do adults need two doses of varicella?

Do adults need two doses of varicella?

CDC recommends two doses of chickenpox vaccine for children, adolescents, and adults who have never had chickenpox and were never vaccinated. Children are routinely recommended to receive the first dose at 12 through 15 months of age and the second dose at 4 through 6 years of age.

What is the reactivation of varicella in adults?

Herpes zoster, also known as shingles, is caused by the reactivation of the varicella-zoster virus (VZV), the same virus that causes varicella (chickenpox).

How many doses of varicella do adults get?

CDC recommends 2 doses of varicella (chickenpox) vaccine for children, adolescents, and adults to protect against varicella.

What is the most common complication of varicella?

The most common complications from varicella are: In children: Bacterial infections of the skin and soft tissues. In adults: Pneumonia….Other severe complications are due to bacterial infections and include:

  • Septicemia.
  • Toxic shock syndrome.
  • Necrotizing fasciitis.
  • Osteomyelitis.
  • Bacterial pneumonia.
  • Septic arthritis.

How far apart are varicella vaccines given for adults?

All adults who have never had chickenpox or received the vaccination should be vaccinated against it. Two doses of the vaccine should be given at least four weeks apart.

When is it contraindicated to give a varicella vaccine in adults?

Contraindications for Varicella Vaccination. People with contraindications for varicella vaccine should not receive varicella vaccine, including anyone who: has a history of anaphylactic/anaphylactoid reaction to gelatin, neomycin, or any other component of the vaccine.

What causes varicella to reactivate?

Primary infection causes varicella (chickenpox), after which virus becomes latent in ganglionic neurons along the entire neuraxis. With advancing age or immunosuppression, cell-mediated immunity to VZV declines and virus reactivates to cause zoster (shingles), which can occur anywhere on the body.

What causes varicella zoster to reactivate?

The primary factors that impact a person’s cellular immunity are age and medical conditions or medications that suppress the immune system. Post-pregnancy and menopausal hormonal fluctuations in women have also been linked to VZV reactivation.

How far apart should varicella vaccine be given for adults?

Those without evidence of immunity should receive 2 doses of varicella vaccine 4 to 8 weeks apart or, if previously received 1 dose, the second dose at least 4 weeks after the first dose.

What are the complications of chickenpox in adults?


  • bacterial infections of the skin, soft tissues, and/or bones.
  • sepsis, or a bacterial infection of the bloodstream.
  • bleeding problems.
  • dehydration.
  • encephalitis, or inflammation of the brain.
  • pneumonia.
  • Reye’s syndrome, particularly if a child takes aspirin while infected with chickenpox.
  • toxic shock syndrome.