Those playing a trumpet and an oboe are more likely to spread airborne diseases, while the risk in playing a bass clarinet, involved in a recent Covid-19 infection that resulted in the quarantine of more than 90 players of Hong Kong’s top orchestra, is slightly lower, according to a US study.The coronavirus infection of a musician of the Hong Kong Philharmonic Orchestra came as a study conducted by the University of Minnesota assessed the risks of the transmission of airborne diseases in…