Facebook has frozen Venezuelan President Nicolas Maduro's page for violating policies against spreading misinformation about Covid-19 by promoting a remedy he claims, without evidence, can cure the disease, a company spokesman said on Saturday.

Maduro in January described Carvativir, an oral solution derived from thyme, as a "miracle" medication that neutralises the coronavirus with no side effects, a claim doctors say is not backed by science.

Facebook has taken down a video in which Maduro promotes the medication because it violates a policy against false claims "that something can guarantee prevention...