Watch: Hajj begins amidst some anxieties about Ebola

The Ebola outbreak is set to overshadow the annual pilgrimage to Mecca, which starts this week in Islam's holiest site. Saudi Arabia said it was not issuing visas to pilgrims from Sierra Leone, Liberia and Guinea as a precaution to avoid the spread during the hajj pilgrimage, which is expecting around 2 million Muslims from around the world to gather in Mecca.