Roofing Slate Colors. In the slate industry, varieties of slate are distinguished by their color. Since slate is a 100% natural product there are no dye lots or exact mixes of pigments to be controlled, only the unique beauty created by Mother Nature.oofing Slate Colors. In the slate industry, varieties of slate are distinguished by their color. Since slate is a 100% natural product there are no dye lots or exact mixes of pigments to be controlled, only the unique beauty created by Mother Nature.
How long is a person with the flu contagious? You can pass the flu to others from 1 day before you have symptoms up to 5-7 days after you get sick. Some people might be able to infect others even longer. Is there treatment? The flu can be treated with antiviral drugs if started soon after you get sick. They will help reduce how sick you get and how long you are ill.
The contagious period for a cold lasts about three to four days into the illness. As a general rule, people with a cold are most contagious about three days after their initial exposure to the virus.For more information on colds, influenza and related topics, check out the links on the next page.Print.f you think about how a virus works, it makes sense that we're most contagious when our symptoms are at their worst. Viruses like influenza and those that cause the common cold (there are a couple of hundred of them) have an incubation period once they get into your body.