Biology-Natural Selection and Human Immune System
Survival of the Sickest Chapter 1 question 4: Bubonic plague was caused by which type of microorganism?
Survival of the Sickest Chapter 1 Question 4:
Why would someone with hemochromatosis be "selected for" during the times of the Bubonic Plague?

COVID is caused by which type of microorganism?
Think like a scientist: What human traits are being "selected against" with regards to COVID 19?
What is considered the human immune systems first line of defense?
This question is in reference to the Discussion Board Article read 3/31 or 4/1.
The experimental plasma treatment in Houston to treat COVID is accessing which line of defense?