SUMMARY
Since its appearance in the end of 2019, COVID-19 has caused its own anxiety in humans. Moreover, health workers must think about what steps should be taken in the effort to prevent the transmission of COVID-19 without ignoring the quality of the existing services. This study reviews the reduction of communication uncertainty that occurs among health workers at UPT Puskesmas Purwodiningratan in carrying out health services during the COVID-19 Pandemic. It is a descriptive qualitative research in a form of case study that uses interview to collect the data. Involving six informants with several different tasks and authorities in health services. Then, the communication uncertainty that occurs among the health workers was reviewed using the Uncertainty Reduction Theory (URT) perspective, which was pioneered by Charles Berger and Richard Calabrese. Finally, finding shows that the reduction of communication uncertainty among the health workers can be viewed from three strategies: active, passive, and interactive.