Amanda,
It sounds like your dream is reflecting a sense of impending change or disruption, particularly in your work environment. The notion of your coworkers discussing everyone getting sick and the need to shut down could signify anxiety about uncontrollable external factors that could impact your daily routine. This feeling might not necessarily be about health but could represent other uncertainties or changes you anticipate at work or in your personal life.
Your best friend coming to visit you at work, despite having been in a car accident with a cop, suggests resilience and the presence of support in your life, even amidst chaos or trouble. It could be a symbol of your subconscious acknowledging that, no matter what challenges you or those close to you might face, there's a support system in place. The visit could also be a manifestation of your concern for your friend's well-being, reflecting a deep emotional connection.
On a broader level, this dream might be your mind processing feelings of unease about the unexpected and your ability to adapt. Even though the emotions level was low and there weren't negative feelings associated with the dream, your brain might be rehearsing how to handle potential stressors. It's a reminder that life can be unpredictable, but you have people in your life who will be there for you, and you're capable of navigating through the uncertainties.
Remember, Amanda, dreams can serve as a mirror for our subconscious, revealing our internal dialogues and concerns in symbolic form. While this dream doesn't seem to carry a high level of intensity or negative emotions, it might still be insightful for you to consider what current or upcoming changes in your life could be influencing your dreamscape.