Illustrations show how to reduce risk at small gatherings

<img width=“750” height=“594” src=“https://flowingdata.com/wp-content/uploads/2020/10/ventilation-e1603988116951-750x594.png" class=“attachment-medium size-medium wp-post-image” alt=“” srcset=“https://flowingdata.com/wp-content/uploads/2020/10/ventilation-e1603988116951-750x594.png 750w, https://flowingdata.com/wp-content/uploads/2020/10/ventilation-e1603988116951-1090x863.png 1090w, https://flowingdata.com/wp-content/uploads/2020/10/ventilation-e1603988116951-210x166.png 210w, …