https://www.reuters.com/article/us-health-coronavirus-facebook/facebook-gives-who-free-ads-in-battle-with-coronavirus-misinformation-idUSKBN20R14A >Facebook Inc will provide free advertisements to the World Health Organization (WHO) as it seeks to ensure users are not misinformed about the virus, its risks and how to react to it, Chief Executive Officer Mark Zuckerberg said on Tuesday.