The World Health Organisation has 'acknowledged emerging evidence' that there may be airborne transmission of the Covid-19 virus. WHO's Technical Lead on Infection Prevention and Control, Benedetta Allegranzi, said that the organisation has to be 'open to the evidence' and understand its 'implications'. WHO's Technical Lead on Covid-19, Maria Van Kerkhove, said that the UN body would issue a scientific brief on the various modes of Covid transmission soon. Watch the full video for more.