Enfermedades reemergentes: factores causales y vigilancia

the emergence and re-emergence of infectious diseases involves many interrelated factors. global interconnectedness continues to increase with international travel and trade; economic, political, and cultural interactions; and human-to-human and animal-to-human interactions. these interactions include the accidental and deliberate sharing of microbial agents and antimicrobial resistance and allow the emergence of new and unrecognized microbial disease agents. solutions to limiting the spread of emerging infectious diseases will require cooperative efforts among many disciplines and entities worldwide. this article defines emerging infectious diseases, summarizes historical background, and discusses factors that contribute to emergence.