https://www.theguardian.com/technology/2020/apr/07/whatsapp-to-impose-new-limit-on-forwarding-to-fight-fake-news

Restrictions on frequently forwarded messages intended to disrupt false Covid-19 claims

WhatsApp is to impose a strict new limit on message forwarding as the Facebook-owned chat app seeks to slow the dissemination of fake news, the company has announced.