President Xi is also skipping the ASEAN (Association of Southeast Asian Nations) and East Asia summits in Jakarta this week.
According to the research, published in the journal Frontiers in Pediatrics, gastrointestinal symptoms first suffered by some children hints at potential infection with SARS-CoV-2 through the digestive tract.
India has not yet received any confirmation on Chinese President Xi Jinping's in-person participation at the upcoming G20 summit, people familiar with the matter said on Thursday amid reports that he is likely skip the conclave.
China said on Thursday that "progress" has been made in facilitating the return of thousands of Indian students stranded back home due to Beijing's COVID visa bans and efforts were on for "early return" of the first batch.
The population is important and so is the talent, he said about China, the world's second-largest economy after the United States.
After dropping Chinese sportswear company Li Ning as India's Olympic kit sponsor, Sports Minister Kiren Rijiju on Wednesday said the country's athletes will not wear branded apparel in the upcoming Tokyo Games even as the Indian Olympic Association (IOA) claimed that the search is on for a new partner.