[Salivary minerals and caries experience among adolescents in Syktyvkar, Komi Republic].

Objective: To study the associations between salivary minerals concentrations and caries experience among adolescents in the conditions of one of the industrial centers of the Far North.

Material And Methods: In total, 146 adolescents aged 15-17 years took part in a cross-sectional study in Syktyvkar, Komi Republic. Caries experience was assessed as DMFT index and its components.

Seroprevalence of SARS-Cov-2 Antibodies in Adults, Arkhangelsk, Russia.

Population-based data on coronavirus disease in Russia and on the immunogenicity of the Sputnik V vaccine are sparse. In a survey of 1,080 residents of Arkhangelsk 40-75 years of age, 65% were seropositive for IgG. Fifteen percent of participants had been vaccinated; of those, 97% were seropositive.