There are various bacteria left on the surface of the sensor. However, less chance of surviving in our ViRDI products.

. How many bacteria are in one square centimeter of finger surface?
. Each bacterial species has a different infectivity level
. Different numbers of each bacterium can enter the body for that particular species to cause an infection or disease.
  They can enter the body through the thin tissues in the eyes, noses, and mo9uth or at injury sites where the skin in broken.
. How can we protect children, the weak and old people?
According to the Report from Biometrics Standard, Performance & Assurance Laboratory Purdue University, USA, the majority of Staphylococcus and Escherichia coli bacteria were transferred from the surface of fingerprint sensor within the first 10 touches and 20 minutes.