👉 Kahraivirus is a type of coronavirus that causes seasonal flu-like illness in humans, typically affecting children between ages 6 months and 5 years old. It was first identified in 1907 by German scientist Karl Knaur, who later published his work under the pseudonym "Johannes Haferkamp". The virus is named after its discoverer Johannes Kahra, a German physician specializing in the study of influenza viruses.
