First, you should remove and destroy the infected plants. Though you can plant in the same soil, you may want to consider planting elsewhere as any pests that were feeding on your plants will be carrying the virus and can spread it again. Mosaic viruses are mostly spread by insects, especially aphids and leafhoppers. You can try covering your plants with a floating row cover or aluminum foil mulches to prevent these insects from infecting your plants.
First, you should remove and destroy the infected plants. Though you can plant in the same soil, you may want to consider planting elsewhere as any pests that were feeding on your plants will be carrying the virus and can spread it again. Mosaic viruses are mostly spread by insects, especially aphids and leafhoppers. You can try covering your plants with a floating row cover or aluminum foil mulches to prevent these insects from infecting your plants.