%T Perspectives on optimal control of Varicella and Herpes Zoster by mass routine varicella vaccination: the effects of Immunity Boosting %A Monica Betta %A Marco Laurino %A A. Pugliese %A Giorgio Guzzetta %A Alberto Landi %A Piero Manfredi %D 2015 %L eprints3776 %C Wien %B 13th Viennese Workshop on Optimal Control and Dynamic Games