Vaccines R&D-2019 welcomed �?Ʃ�?n�?�?�?Ɛ�? presenters, and exhibitors from all over the world to Prague, Czech Republic. We were delighted to invite all to �?Ʃ�?n�? and register for the “2 nd European Congress on Vaccines R&D & s�?ĐĐŝŶ�?�?ŽŶ” which was held during July 11-12, 2019 at Prague, Czech Republic.