It is a kind of virus that causes an infection in your nose, sinuses, or upper throat. The suggested treatment is good hygiene and preventing large crowds.
Risk is increasing in areas where contact with foreigners is possible.
The mask is not effective for person which is in risk to be infected. Wearing the mask by potentially infected person significantly decreasing the risk.
It is recommended to avoid touching surfaces which were not prior disinfected. Especially body surfaces like nose, eyes and lips.