Syphilis is a vertically or sexually transmitted infection caused by Treponema pallidum subspecies pallidum.
In the primary stage of acquired syphilis, there is an appearance of a painless ulcer (chancre). Then in the secondary stage, there are skin rashes and sores on mucous membranes.
In the latent stage, it is asymptomatic and not communicable. It is in the tertiary or late stage that it is symptomatic but not communicable; it usually appears 10-20 years after 1st infection.
A rapid and affordable test for diagnosing COVID-19 outside the walls of the healthcare units could improve case-finding, contact tracing, and infection control, says an expert during a pre-ECCMID 2021 session.