background: work-related musculoskeletal disorders (wmsds) have been documented among various occupational groups in nigeria. however, there is limited data on the prevalence of wmsds among call center operators (ccos). objective: to determine the prevalence of wmsds among ccos in nigeria and to explore the extent to which these discomforts impact the daily work activities of the respondents. m...

venereal diseases are still a common problem in today's world. even though tremendous advances are being made in medicine and large budgets are being spent to control sexually transmitted diseases (std), especially in western countries, these diseases are still yet very common, and today aids has been added to the threats posed by std to human life. the status of syphilis was evaluated in ...