Will i gain weight if i don't workout for a week? i think i have a virus & feel exhausted but i'm scared to skip my workout. what should i do?

Weight gain doubtful: To gain one pound of weight, you have eat 3500 calories in excess of your daily requirements, probably around 1800-2000 calories for a woman of your age. Try to avoid cutting calories, as you need healthy nutrients to maintain a strong immune system. As soon as your fatigue begins to resolve and assuming you have no fever or other concerning symptoms, you can gradually return to exercise.