THe hospital would be the best choice.
If you have good cardio respiratory endurance, then you'll be able to do rigorous physical activity for longer amounts of time, because like other muscles in your body, the more you stretch them the stronger they get and the longer they would last.
Hope that helps and makes sense :)
When you experience inflammation your white blood cells are fighting off pathogens by widening the infected area allowing more blood flow. You experience a fever because pathogens can not survive at high temperatures.Hope this aids you:0