Dengue virus infection is increasingly being recognized as the world's major emerging tropical disease. 1 Every year about 2.5 billion people worldwide are at risk of dengue. The disease infects an estimated 50 to 100 million individuals and, in some years, is responsible for around as many as 500 000 hospital admissions. An average 22 000 people die annually from the disease, three times more ...

Mexico, like many low- and middle-income countries (LMICs), faces an epidemic of chronic non-communicable diseases (NCDs), specifically diabetes, hypertension, obesity, and lipid disorders. Many people with these NCDs may not be aware that they have a disease, pointing to the need for broader screening programs. The traditional prevention policy in Mexico was based on screening with a paper-bas...