Answer:
I think it is C but I'm not 100% sure
T-cells are a type of white blood cell that circulate around our bodies, scanning for cellular abnormalities and infections.
Answer: The virus weakens as time passes.
Explanation: The virus will weaken continuously during transmission, and will reduce its toxicity after several generations of transmission, without causing much harm to the human body.
Answer:
I'm sure you'll find your answer some time soon