Alat rapid antigen: why do some people never get the new coronavirus?The French newspaper Le Figaro said a small number of people were less likely to be infected than others, despite having been in contact with someone infected with the new coronavirus, due to a very specific set of factors.

Sample tube: it shall be a plastic tube with a length of about 10cm, a diameter of about 1.5-2CM, a capacity of 10ml and a nozzleWith spiral wire and air cushion ring in the pipe cover.Swab: a swab with a polypropylene rod with a sterile polypropylene fiber head or absorbent cotton head.