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RESUMEN El dinero en sus diversas formas (billetes, monedas, tarjetas) podría significar una fuente potencial de contagio para contraer la COVID-19. Sin embargo, aún no hay trabajos que determinen el nivel de partículas virales en este tipo de materiales de transacción. A pesar de que estos estudios aún no se han realizado, la población debería asumir que el dinero contiene partículas virales que podrían potencialmente infectar a cualquier individuo. Se propone usar sistemas de pago anti-contacto, por ejemplo, pago mediante el sistema QR, como una alternativa para evitar contagios por el uso de materiales de transacción. ABSTRACT Money in its various forms (bills, coins, cards) could be a potential source of contagion for contracting COVID-19. However, there are still no works that determine the level of viral particles in this type of transaction materials. Although these studies have not yet been carried out, the population should assume that money contains viral particles that could potentially infect any individual. It is suggested to use anti-contact payment systems, for example, QR payment systems, in order to avoid contagion due to the use of transaction materials.