Mouse Brain Protected from Virus (IMAGE) University of Leeds Caption This is an image of mouse brain treated with skin cream after infection with a mosquito-borne virus, Semliki Forest virus. Lack of pink color shows there is very little virus in the brain. Credit University of Leeds Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.