Differing strains of the coronavirus continue to appear, including the highly infectious “Delta variant" of COVID-19. Medical experts have expressed concern about new symptoms arising in cases from the Delta variant of COVID-19, according to Bloomberg News. What are the symptoms of the Delta variant of COVID-19? The Delta COVID-19 variant's symptoms differ slightly from the original virus. The variant, which initially originated in India, has a wide range of symptoms including: Stomach pain, loss of appetite, vomiting ,nausea, joint pain, and hearing loss. In most cases, patients with the variant are more lik...