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Chloroquine is a decadesold drug that was approved by the FDA in 1949 to treat malaria. Its derivative, hydroxychloroquine, is often used to treat autoimmune disorders, including rheumatoid arthritis and lupus.

Chinese travel service Ctrip, which has more than 300 million users, announced it will promote the declaration in China, where it will urge companies to raise awareness and promote responsible wildlife-based tourism.

Clinical research company Nucleus Network revealed on Wednesday it would test the effectiveness and safety of a Recombinant Spike Protein Nanoparticle vaccine, NVX-CoV2373, developed by US based biotechnology company Novavax.

Chongdrol (left), a villager of Tibet's Shaitongmon county, stands at the door of her hot spring bath inn with her son. [Photo by Palden Nyima/chinadaily.com.cn]

Christine Lagarde, International Monetary Fund (IMF) managing director, said the IMF does not now see the threat of a global recession sparked by trade dispute. Instead, she said growth will slow, but the world economy won't slide into a recession.