Use of glucocorticoids and azithromycin in the therapy of COVID-19.

In December 2019, a new variant coronavirus, SARS-CoV-2, emerged in China, which was initially described as a pneumonia of an unknown agent. The new coronavirus spreads mainly by person-to-person transmission through close contact. The pathophysiology of COVID-19 is related to a complex immune system response that varies between people and, in severe cases of the disease, is characterized by excessive responses called "cytokine storms," which are associated with complications that can lead to a state of hypercoagulation and death.

Musculoskeletal disorders among Brazilian dentists.

Dentists are exposed to several occupational risks. This study aimed at comparing the prevalence of referred morbidity among Brazilian dentists with that reported by doctors, lawyers, and the general population. Data on referred morbidity were obtained from the Brazilian Household Survey.

Esophageal cancer among Brazilian agricultural workers: case-control study based on death certificates.

Several studies suggest that agricultural workers are at higher risk to develop and die by certain types of cancer. Esophageal cancer is not commonly listed among these types. However, some recent studies indicated that if there is an association between agricultural working and esophageal cancer, it s more likely to be observed among workers highly exposed to pesticides.