diff --git a/fever.md b/fever.md
new file mode 100644
index 000000000..3376830a5
--- /dev/null
+++ b/fever.md
@@ -0,0 +1,5 @@
+- [[2023-06-07]]
+
+I have a fever and that got me thinking.
+
+About the immune system, and how the body (our genome and gut flora and other symbionts) regulates our temperature to react to infections and other invasive entities; or while reacting to those.