Kaposi's sarcoma-associated herpesvirus is the infectious cause of this neoplasmHere, we present some88bifa of the most striking images around the world this past weekChildren cool off themselves at a wading pool in Toronto, Canada, on Sept 24, 2017The vice-premier said China is willing to work with the US to prepare for President Trump's visit to China to ensure it is a great successVisiting Vice-Premier Liu Yandong, right, spea88bifaks with Jared Kushner, senior White House adviser, center, and Ivanka Trump, left, daughter of US President Donald Trump also serving as an adviser, in Washington DC, on Sept 27, 2017Liu addressed a reception celebrating the 68th anniversary of the founding of the People's Republic of China at the Chinese embassy on Wednesday