Canadian inventor Aziz Al-Qaysi has developed a special helmet to protect against coronavirus.According to Qadin.Net, the news was spread by the BBC.The helmet completely covers the head and chest, as well as a face shield.A battery-operated air purifier filter is located on the back of the device.Al-Qaysi named the device BioVYZR.According to the inventor, the battery of the helmet can work for up to 12 hours with a single charge.He added that currently about 10,000 people have applied for helmets.