this virus infects dewar so it might via the nose and throat.need to clean parcels that are delivered to my house? hello, peter. you are asking how long it lasts on a surface. this is important because when we want to clean up when someone has been in an area and they have been shedding this virus, we need to know how much their risk —— how much risk there might be from surfaces. the answer is that this what we call an envelope virus. the outside of the virus is covered with an oily member rain —— membrane. it is vulnerable to alcohol, because that breaks that envelope of the virus. without that being intact, the virus can't infect you. it makes the virus can't infect you. it makes the virus can't infect you. it makes the virus fragile, so it tends to be ona the virus fragile, so it tends to be on a surface and intact and capable of infecting only four minutes to hours. parcels coming through the post and that kind of thing, we think the risk is minimal. does bleach breakthrough that membrane? bleach will pretty much kill every virus we know abo