[Effect of previous exposure to COVID-19, occurrence of spikes, and type of vaccine on the humoral immune response of institutionalized older adults].

This study evaluated the explanatory factors of humoral immune response in older adults admitted to long-term care institutions in Buenos Aires, Argentina, up to 180 days after vaccination. An open-label, prospective, multicenter cohort study was conducted with volunteers who received two doses of the Sputnik V, Sinopharm, or AZD1222 vaccines. Plasma samples were analyzed at 0 and 21 days after the first dose, 21 days after the second dose, and 120 and 180 days after the first dose.

[Prevalence of noncommunicable diseases and risk factors in rural population of San Luis, Argentina].

The objective of this study was to estimate the prevalence of diabetes mellitus (DM) and cardiovascular risk factors in a rural population in the province of San Luis, Argentina. Cross-sectional study developed between September and November 2017 with 18-year-old inhabitants and more than four towns in the Juan Martín de Pueyrredón department, San Luis. The participants answered questions by self-report on sociodemographic aspects, habits, psychosocial and risk factors for non-communicable diseases; physical measurements, FINDIRSC questionnaire and blood sample extraction were performed.

[Epidemiological study of non-communicable diseases in the rural population of San Luis, Argentina. Methodological aspects].

Objective: to describe the methodological aspects of the first epidemiological study on the profile of non-communicable diseases (NCDs) in rural areas of Argentina carried out in 2017.

Methods: A cross-sectional design was used. The reference population was the inhabitants of 18 years and over from the towns of Beazley, Zanjitas, Alto Pelado and Cazador, Juan M.

[Regional inequalities in mortality from diabetes mellitus and access to health in Argentina].

The aim of this study was to estimate the mortality burden according to major groups of causes, with a focus on diabetes mellitus, as well as differences according to the presence or absence of health coverage for Argentina as a whole and its regions. The study used the mortality database for individuals 30 years or older in 2009-2011, stratified by sex, age bracket, region, underlying cause of death, and health coverage. We calculated the mortality rates and years of life lost due to premature mortality (YLLs).