| | Question

Pourquoi tous les commerces nous forcent-ils sans cesse à nous désinfecter les mains?

Un skieur se désinfectant les mains avant de monter dans une télécabine. | Keystone, Jean-Christophe Bott
| | Radar

Critics say WHO's stance on "airborne" Covid-19 misses the mark

Droplets released by talking, sneezing or coughing contain a mix of large and smaller particles sols

More and more scientists believe that Covid-19 can be transmitted by an infected person's breath or speech, emitting tiny airborne virus particles that can travel meters. WHO now admits this can happen but is downplaying the risks.