The “three sets” of epidemic prevention:
wearing a mask;
keep a distance of more than 1 meter when communicating with others.
Do good personal hygiene.
Protection “five needs̶...
According to the latest data on the WHO website, the number of confirmed cases in the world rose by 373,438 to 26,086,7011 as of 17:05 Cet (05:00 GMT, 30 GMT). The number of deaths rose by 4,913 t...
1. Disposable virus sample tube is composed of swab and/or preservation solution, preservation tube, butyl phosphate, high concentration guanidine salt, Tween-80, TritonX-100, BSA, etc. It is non-s...