Another 34 participants in the Winter Olympics have tested positive for Covid-19 ahead of the Games in Beijing, officials confirmed on Sunday. The organizing committee said Sunday that 23 people entering the country tested positive for the coronavirus on Saturday, including 13 athletes or team members. In addition, infections were registered in 11 people who are already in the closed Olympic system. A day earlier, there had been a total of 36 positive tests, and the total number of coronavirus cases since January 23 has risen to 139. The Winter Games are being held under strict coronavirus rul…