Wobbly weak feeling in thighs for 5 weeks

[Joey]

Ever since I went camping about 5 weeks ago, my thighs have been very wobbly and weak. It is freaking me out a little as I have never had anything more than muscle stiffness after exercise. A couple of weeks before the camping trip, I contracted some virus that left me and other in my family who caught it, quite fatigued. We all seemed to get over it though and I thought nothing of it; as I