The article presents the study of nosological structure of occupational morbidity of workers of the largest mining and processing of copper ores companies of the Republic of Bashkortostan during the period from 1997 to 2014 one, depending on gender, age, work experience, occupation and working conditions. It is shown that for the majority of workers of primary professions the level of risk reamains high. It was found that the leading place in the structure of occupational diseases is occupied by the diseases associated with exposure to physical factors (50 %); the second — diseases related to physical overload and overvoltage function of individual organs and systems (25 %); the third — the disease from exposure to industrial aerosols (19.2 %).

The article describes information about adverse events following hepatitis B immunization (AEFI), which were submitted to national spontaneous reporting database from 1 January 2009 to 31 May 2016.The information was analyzed and compared with international database (Vigi Base) and database VAERS for the same time period. The increase in the AEFI reporting for hepatitis B vaccine was detected in the Russian database. However, in general, under-reporting of AEFIs has remained a challenge.

Within the framework of the epidemiological surveillance was carried out an analysis of mortality among HIV-infected patients. Was established an increase of this index with direct strong relationship relatively to the prevalence of HIV-infection. Behavioral, gender and age factors have been influencing on the level of mortality among HIV-infected patients.

Antiviral therapy for CHC, controlled virological response during the therapy, allows to individualize treatment for each specific patient, depending on the viral load and the absence of pronounced fibrosis of the liver.

The article is devoted to study the effect of noise on living conditions of students of technical and teacher training colleges in rural areas. The result of the anonymous survey found that 46,8 % of respondents think that noise has no impact on health and people can adapt to noise. The other half (47,3 %) note the presence of extraneous noise in the daytime, and the 2,4 % reported a persistent noise that interferes with homework and recreation. Night noise note 21,6 % of respondents, including a 1,8 % point to the presence of noise affecting the sleep. From among the respondents of 42,2 % feel negative consequences of noise, and 33 % noted a decrease in performance.