COVID-19 Avoid Closed Spaces, Crowded places, and Close-contact settings! (English)
![Avoid Closed Spaces, Crowded places, and Close-contact settings!](/sites/default/files/styles/embed_portrait_lg_1x/public/2022-12/covid-19_avoid_three_cs2.png?itok=gGOzHl5h)
Date:
12 December 2022
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).