Multimorbidity and tooth loss: data from Chilean National Health Survey 2016-2017.

Background: Oral diseases are a significant global public health challenge. Current evidence indicates that several chronic conditions are individually associated with tooth loss. People are living with more than one chronic condition, known as multimorbidity (MM).

[Validation of COVID-19 vaccines administered abroad: experience and challenges of implementation in ChileRegistro de vacinação contra a COVID-19: experiência e desafios relacionados com a implementação no Chile].

The objective of this article is to describe the experience in Chile, during 2021 and 2022, with the validation of COVID-19 vaccines administered abroad and the main obstacles during the implementation of this process. This validation is given throughout South America and, in the case of Chile, it has been a successful undertaking with the validation of more than two million vaccines from different countries. Validation is a systematic process involving reviews conducted by trained professionals, which helps maintain international relations with other countries and fulfill the objectives set forth by the health authority.