Apple cider vinegar is a widely used home remedy for a variety of ailments, and there is some evidence to suggest that it may have antiviral properties. However, there is no scientific evidence to support the claim that it is effective as an antiviral agent.
The main component of apple cider vinegar is acetic acid, which has been shown to have some antiviral activity in laboratory studies. In one study, acetic acid was able to reduce the infectivity of herpes simplex virus-1 by 90% when applied topically. This suggests that apple cider vinegar may be effective at reducing the symptoms of herpes infection.
However, there is still no evidence to suggest that apple cider vinegar is effective at preventing or treating other viral infections, such as the common cold. There is also no research to suggest that it is effective at treating other viruses, such as HIV or influenza.
In conclusion, there is some evidence to suggest that apple cider vinegar may have some antiviral activity, but there is still not enough evidence to support its use as an antiviral agent. If you are considering using apple cider vinegar to treat a viral infection, it is best to speak to your doctor first to discuss the risks and benefits.