human genetics that underlies, that's all that is good evidence that if you've had infection with kogo, divers says, and this for 5 or 6, which have secure lates it for many, many years. if you've had an infection with one of those, it make if you some across immunity to sauce cold too. and so you're less vulnerable to getting it as full disk situations. i think all full about 15 to 30 percent of households. it's a case tend to get infected. a lot of the transmission has been hospitals, health care settings, which i hold to control simply by virtue of the people whom they hug. hospitality in the u.k. has been missing for close down vests to all hotels abbas and yes, she accounted for only about 3 to 4 percent of total transmission. so try to be pretty blunt tools have been used. now there's a lot of talk right now about testing and tracing when it comes to coronavirus. but i dared to suggest that, you know, we may also benefit from some sort of biological risk profiles. because at this point of time, in sort of to see him dead to you and me have the same, not a chance of dying from cal