inclusion criteria: - patients in primary care with a positive sars-cov-2 test based on pcr - instructed during screening and agreed not to use other probiotic nutritional supplements outside of the study during the study period - sign the consent form

inclusion criteria: - patients in primary care with a positive sars-cov-2 test based on pcr - instructed during screening and agreed not to use other probiotic nutritional supplements outside of the study during the study period - sign the consent form