Safety of a second dose of varicella vaccine administered at 4 to 6 years of age in healthy children in Argentina.

Varicela Biken [Live varicella Biken vaccine (strain Oka)] is an effective and safe vaccine for the prevention of varicella infection. Although the recommended schedule in all age groups (children, adolescents and adults) is a single dose, physicians in some countries follow the 2007 recommendation ... View More