Senator KENEALLY (New South Wales—Deputy Leader of the Opposition in the Senate) (14:11): My question is to the Minister representing the Prime Minister, Senator Birmingham. As the omicron variant emerges in Australia, a webinar promoted by One Nation was recently hosted by the so-called COVID Medical Network, which is under investigation by the TGA for promoting hydroxychloroquine. Why did four government members—Liberal MP George Christensen and Senators Canavan, Rennick and Antic—appear on this anti-vaccination, anti-mandate webinar?