There is insufficient evidence to prove that Panax quinquefolium can prevent novel coronavirus infection. Consumption of Panax quinquefolium has no effect on the prevention of novel coronavirus pneumonia. Panax quinquefolium is a Chinese herb that has the effect of clearing heat and removing toxins, and is often used to treat febrile illnesses such as wind-heat colds and viral colds. Taking Banlangen when you have a fever or fever can improve your symptoms and has some antiviral effects. However, there is not yet sufficient evidence to prove that Panax quinquefolium is effective in preventing novel coronavirus pneumonia. To prevent novel coronavirus infection, it is more important to take personal precautions, such as wearing masks, washing hands frequently, ventilating the air, and going to places where people gather less often. Source: Dr. Yau Lai