Invited article

Leptospirosis in travellers

International travel is growing rapidly worldwide. It has been estimated that international travellers will reach nearly 1.6 billion by 2020, with the highest rise in tropical and subtropical areas [1]. Leptospirosis is considered the most widespread zoonosis, occurring worldwide except…

Campylobacter spp. and food

Foodborne disease is defined as any disease resulting from food or water consumption. More than 250 different foodborne diseases have been described. The main causes may be biological (viruses, bacteria, parasites), chemical, or physical and one of the most common…

Laboratory-based surveillance

Introduction Laboratory-based surveillance is one of the pillars of infectious diseases epidemiological surveillance. Data collected and analyzed by laboratory-based surveillance systems include laboratory results from patients with infectious diseases that can be laboratory confirmed. These systems, along with notifiable diseases…

Air pollution and cancer

Emissions from motor vehicles, industrial processes, power generation, household combustion of solid fuel and other sources pollute the ambient air in urban centers. The chemical and physical characteristics of the mixture of air pollutants vary among locations on account of…

Physical activity and cancer

Introduction The inverse associations between physical activity and overall mortality, as well as the risk of cardiovascular disease, diabetes, osteoporosis and obesity have been well documented. A protective role of physical activity regarding cancer incidence and mortality has also been…