i'm joined via webcam by oksana pyzik, who is a senior teaching fellow and public health specialist aton. i'm alsojoined by the news editor of the new scientist magazine, penny sarchet. thanks both of you for being with us. straight to the questions. ox anna, first to you. i like to volunteer, says rachel, to support the nhs. how will launchers be protected from the risk of contracting covid—19? —— volunteers be protected? this is a very good question. i think it is amazing that afforded 5000 people have volunteered. the way people can volunteered, some of these options are volunteered, some of these options a re less volunteered, some of these options are less contact oriented. there is are less contact oriented. there is a chat volunteer for people who are lonely and in isolation as well as to support transporting patients, as well as essential supplies, so in terms of the question itself. even with all of these environments, pharmacies, or some of this support work is going to take place, every possible protocol around safety will be supported. so in terms of ensuring where it is po