Everyone has 12 pairs of ribs wrapped around their chest to protect vital organs. If you think you've broken or fractured a rib, you should see a doctor for evaluation.
What does efficacy even mean? Is it the same thing as effectiveness? (Spoiler: Not quite.) Also in this article, compare efficacy rates for the three authorized COVID-19 vaccines.
If you’re still sick weeks after an initial COVID-19 infection, you’re not alone. “Post-COVID” is affecting many COVID-19 survivors. Find out common post-COVID symptoms and how to tell if you’re contagious.