[Housing conditions and care system as determinants of the intra-family transmission of covid-19: case-control study in Castilla y León.].

Objective: The health of people can be affected by the habitability of their home conditions and the dynamics of family care in home. The aim of this work was to calculate the intrafamily secondary attack rate (TAS) in Castilla y León and its relationship with characteristics of the living places and the cohabitants.

Methods: Multicenter case-control study in Covid-19 patients through telephone interview.

Nosocomial Vs. Community-Acquired Infective Endocarditis in Spain: Location, Trends, Clinical Presentation, Etiology, and Survival in the 21st Century.

Major changes have occurred in the epidemiology and etiology of infective endocarditis (IE). Nevertheless, the differences between nosocomial infective endocarditis (NIE) and community-acquired infective endocarditis (CIE) have not been addressed in a population-based study. We conducted a retrospective, nationwide, temporal trend study from 1997 to 2014 analyzing the epidemiology, clinical, geographical, meteorological characteristics of patients diagnosed with IE in Spain, to distinguish NIE from CIE.

[Validation of a questionnaire on attitudes and practice of physical activity and other healthy habits through the Delphi method].

Objective: Physical inactivity and sedentary lifestyle are an emerging individual, familiar and social public health problem. The aim of this work was to validate a new questionnaire to know the attitude towards physical activity and other habits in adolescents.

Methods: The Delphi method was used.

Outbreak of isoniazid-resistant tuberculosis in an immigrant community in Spain.

Background: Tuberculosis (TB) remains a major public health problem. In 2013, 9 million new cases of active TB were estimated globally and the proportion of reported new cases with multi-drug resistance (MDR) was 3.5%.

Developing countries: health round-trip.

International travel can pose various risks to health, depending both on the health needs of the traveller and on the type of travel to be undertaken. Travellers intending to visit a destination in a developing country should consult a travel medicine clinic or medical practitioner before the journey. General precautions can greatly reduce the risk of exposure to infectious agents.

Malaria in developing countries.

Malaria still poses a real threat to travellers, particularly in areas with high transmission rates such as sub-Saharan Africa, Papua New Guinea, and the South Pacific islands. Malaria causes an estimated 660,000 deaths each year from 219 million cases of illness. It is a preventable and curable disease.