How to Screen for Latent TB

Most cases of TB are coming from people who have spent time or were born in those countries that you mentioned, so really important to highlight. Over half of the folks who have active TB today actually migrated from those who have lived in those five countries I talked about. If you're living in a higher risk congregate setting, you might also be at risk and somebody who we should screen for latent TB. It puts them at increased risk as well.