1:41Long-form

What is a Virus? | Breakthrough

United StatesPublished October 26, 2015

Views 520K  |  Likes 2.89K  |  Comments 141
Views#840,131Global
Views#188,375United States
Live count

Channel

National GeographicNational Geographic
26.4M subs•11.4K videos•May 2006

Views, likes & comments over time

Tap on chart to see values

Views gained (weekly) · 6 mo

Likes gained (weekly) · 6 mo