BACKGROUND The present study aimed to evaluate the operators' mental workload (MW) of cement, city traffic control and power plant control centers using subjective and objective measures during system vital parameters monitoring. METHODS This cross-sectional study was conducted from June 2014 to February 2015 at the cement, city traffic control and power plant control centers. Electrocardiogr...

We recently performed a molecular epidemiology survey of human immunodeficiency virus type 1 (HIV-1) infection in Miracema, a small city in Southeast Brazil, and found multiple monophyletic clusters, consistent with independent introductions and spread of different viral lineages in the city. Here we apply Bayesian coalescent-based methods to the two largest subtype B clusters and estimate that...

The article is devoted to the analysis of noise pollution a residential area by road traffic. It noted that car great danger human health, especially in large cities and industrial centers. Field studies characteristics traffic flows busy, dangerous sections network city have been carried out. shown level exceeds maximum permissible sound for any measured value flow intensity distance from up 3...