Covid logic is pretty simple. The importance of doing basic exercise to rapid recovery. The Bowflex dumbbells, bands, and bodyweight exercise. Strength, endurance, and flexibility with natural nutrition and hydration in moderation. Daily. Stretching is extremely important as go beyond 50. https://www.corebalancefitness.co.uk/pub/media/guides/corebalance/Resistance_Bands_Exercise_Guide.pdf