kolfax reminded, get vaccinated. with the coronavirus, we know very little. we have no treatment and we have no vaccine. so, in a sense, we're going back to traditional public health measures to prevent transmission. and then the next level that we're focusing on is preparing the public health and medical system for medical and public health surge should it become -- if we were to have ongoing transmission in the community, how would we really handle that? our healthcare systems have to think about not only taking care of all of these patientses thatt would come, but the healthcare workers could become ill. as i emphasized, in a sense, that's the highest risk of transmission because you think of the healthcare worker with the symptoms and those healthcare workers have the most intense exposures, who may be infected, so the training of the workforce is critical and we're doing fit-testing for our staff and our prepatory work to get everybody prepared and we'll start training field teams so that we're able to, in the future, to go out and do testing in the comm