Features of Measles Immunity in the Population of Saint-Petersburg
The goal of measles elimination program in the Russian Federation to 2010. The occurrence of measles foci in Europe and neighbouring territories of Russia led to the transmission of this highly contagious infection to the towns and cities with a well developed transport infrastructure and characterized by a wide migratory movement. Episodes of measles infection in Moscow and Saint-Petersburg in 2012 were due to the seronegative people of middle age referred to as the group of high risk and who finally became the cause of the infection spreading. Screening examination of Saint-Petersburg population for the presence of anti-measles antibodies of IgG type which was performed to take a decision concerning urgent vaccinal prevention on the basis of epidemic manifestations determined the age-related immunity features and detected seronegative persons.