New Symptoms of Delta Variant: The delta variant of the corona virus has raised the concern of people across the country. With this variant being more contagious and lethal, experts have also cited it as the main cause of a possible third wave in the country. At the same time, people infected with the delt variant are also being detected across the country. Meanwhile, the researchers based a database on problems that may be characteristic of delta variants. According to the researchers, severe headache, runny nose and bad throat are the most prominent symptoms of the delta variant.