WhatsApp is making viral content less viral to fight coronavirus misinformation

At a time when misinformation is rampant — from the supposed coronavirus cures to the "dangers" of 5G — major social media platforms are taking steps to keep it in check. 
On Tuesday, Facebook's chat app WhatsApp announced it will start limiting the way viral messages can spread on its network.
WhatsApp already marks messages that were forwarded many times with a double arrow, so that the recipient can tell the message did not originate from a close contact. Now, WhatsApp will l