in this case, because the time is so short and because it's linked to testing as other things so quickly after testing or symptom onset, we need to make sure as we increase testing access, that we link that testing access to potential for those taking it are those who can access testing and those who have established medical care because they can call up their doctor and get a per prescription and these who don't have access can do that. we want to tell them more about the drug and linking sites that are testing to refer patients to where they can get treatment. >> so ideally, if somebody comes into a testing site or accesses testing somehow and gets a positive result, that person is also at the start of having symptoms. if they've got the kind of risk factors that they are high risk to proceed to potentially be