Lemon juice and human norovirus

Citric acid may prevent the highly contagious norovirus from infecting humans, scientists discovered from the German Cancer Research Center. Therefore, lemon juice could be a potentially safe and practical disinfectant against the most common pathogen of severe gastrointestinal infections.

"Maybe a few drops of lemon juice on contaminated food or surfaces may prevent the transmission of these viruses." 

Read more:
Lemon juice and human norovirus

Source: dkfz