Yote asked: Someone told me that mono stays in your system forever. I want to give blood to my grandfather who has mesothelioma (lung cancer) but I’ve had mono. Can I still give blood?

tensorfascialata asked: I’ve read that you have to fix tissues for histological processing as soon as possible. What if you were only able to fix them after more than 24 hours? Will they still be viable for tissue processing? ………

Yote asked: Someone told me that mono stays in your system forever. I want to give blood to my grandfather who has mesothelioma (lung cancer) but I’ve had mono. Can I still give blood?