Viral Sign is an advanced screening science company that offers technology designed to help employers, health systems, and manufacturers create safe work environments. Their screening science can identify the presence of viruses in individuals before the onset of fever, aiding in early detection. Viral Sign focuses on providing solutions for site-safe workplaces for employees, customers, and visitors, emphasizing the importance of proactive virus detection. The company's core services revolve around innovative screening technology that enhances safety measures in various settings.