U.S. President Joe Biden will convene a virtual meeting of world leaders next Wednesday to enhance efforts to tackle the coronavirus pandemic such as through equitable access to vaccines, the White House said.At the so-called COVID-19 summit, which is to take place on the margins of the U.N. General Assembly, Biden is expected to call on countries around the world to commit to vaccinating 70 percent of the world's population by next September, U.S. media have reported."We will be asking participants to commit to a higher level of ambition" in areas including improving access to vaccines and…READ FULL ARTICLE