Routinely given between 12-18 months. Also adults without a reliable history of having had chickenpox. Flu occurs December to April in the northern hemisphere. For all travelers. After primary immunization, a booster in six to twelve months is recommended for long-term protection.
Full immunization requires three injections over six months.
More common in summer and autumn months with high incidence in southeastern and southwestern areas. LIVE ORAL Primary series or booster of tablets over seven days for those over the age of six years. Booster every five years. Booster every three years. Mainly in central Europe, Commonwealths and Russia duril April - August.