I don't get sick very often. In fact, I have a great "pre-cold cure*" that has kept me from catching a cold for quite a while. I probably get one cold a year, but they don't feel very severe.
This time my cure didn't work and I have a killer cold! This is by far the worst cold I've had in a long, long time. I hate to break a New Year's resolution so early in the year, but I am today.
Because of this cold and because it is raining, I won't be walking today. I don't think walking in rain will help with my recovery. Let's see how I feel tomorrow.
Rule of thumb for deciding if you are too sick to walk. If your symptoms are above the neck, you are OK to exercise. If your symptoms are below the neck, you will have to play it by ear. If the illness has settled in the lungs, if you have a fever or anything intestinal, it's best if you rest.
Cindi's pre-cold cure: The first day you have any symptoms of a cold, as you go to bed, take about 1 Tablespoon of hot sauce (like cayenne, Red Hot, etc.) then immediately climb under the covers. Do this for a couple nights in a row until the symptoms go away. I RARELY develop a full cold!