This is the 13th years of Chiang Rai Medical Journal. There are a number of articles published covering the fields of medical, nursing, public health, as well as relevant multidisciplinary. In addition, the journal was assessed to certify the quality of the journal from the Thai Journal Citation Index: TCI to have the standard in group 2 continuously that to maintain the quality of the journal in accordance with the conditions and rules. International Therefore, opportunities for researchers, academics, as well as faculty and students published an academic article or research article in which the editorial staff has followed the process correctly on a basis before publishing.

          Chiang Rai Medical Journal, Issue 13, Volume 1 April 2021, that 15 articles consisting of Manuscripts, Special articles, Case reports. This has a variety of articles for those interested in studying each of which, Every issues are interesting and believe that it will be of great benefit to everyone. In journals, at least 2 experts (double blind) have been considered in the manuscripts.

          This year, all areas are having a problem about COVID-19 spread. Thailand, we are in the third phase of the outbreak and to encourage vaccination. Those to strengthen the immune system to prevent disease or reduce the severity of disease, please keep social distance, wear a mask.

          Lastly, Editorial teams, would like to thank all authors and readers for their kindly sacrifice and submission the manuscripts for publication in the journal and look forward to the opportunity and willing to receive relevant articles to continue to publish relevant articles.