Virus 22 September 2021 A virus is a pathogen that infects all forms of life. It replicates only inside a living cell of an organism. There are many 1000’s of species identified. One many are aware of is COVID-19. Others are the flu virus or norovirus Related Articles: Langerhans Cells Protect Your Clients Skin During Nail TreatmentPreventing the Spread of Plantar Warts in Nail SalonsPlantar Warts: Causes, Prevention, and TreatmentCan Warts Affect Nail Health?How to Raise a Medical Concern Like a Verruca in a Nail Salon