Hundreds of millions have started returning to their hometowns ahead of Lunar New Year period to spend holidays with their families and relatives amid a surging wave of infections across the country.
World Health Organization once again urges China's health officials to regularly share specific and real-time information on Covid-19 situation in the country, as it continues to assess latest surge in infections.
Experts say sampling wastewater of an airplane coming from China would be a very good tactic given China's "lack of data transparency and unwillingness to share its genomic data."
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