Republican scientific-practical conference "Actual questions of immunoprophylaxis in the Republic of Tatarstan 2019" was held on the basis of Children's Republican Clinical Hospital (CRCH). Experts met to exchange experiences and discuss issues related to immunoprophylaxis. The forum was attended by more than 200 specialists from the regions of Russia and all regions of Tatarstan. The participants heard presentations by famous Russian experts on such topical issues as meningococcal infection and the possibility of its vaccine prophylaxis, the benefits of combined vaccines – new opportunities for immunoprophylaxis and others.