How does herd immunity work? [CBC News Explainer]
CBC’ Manitoba’s Teghan Beaudette explains how herd immunity works and prevents outbreaks of infectious diseases. To read more: http://cbc.ca/1.3975920 … source
ISIS Brides & Measles Outbreak: VICE News Tonight Full Episode (HBO)
This is the June 20, 2017, FULL EPISODE of VICE News Tonight on HBO. VICE News reports on “ISIS brides” held captive by the terror group during its last ……