In collaboration with the Bill and Melinda Gates Foundation, UNICEF, World Health Organization and others, Chelsea Clinton spearheads a ‘Big Catch-up’ vaccination initiative. The plan: to make up for missing vaccinations in multiple countries, combatting ‘vaccine hesitancy.’ How will this campaign impact the millions of children, which are targeted by its efforts? Is such a program safe, effective and necessary as many assume it to be? Watch this week’s ‘Friday Roundtable’ for the details.