The San Diego Zoo is closed for visitors due to the coronavirus, but zookeepers are hosting a virtual spring break to bring their animals to families while they shelter in place across the U.S. Virtual Mission: Spring Break is live and will be online through April 19. coronavirus Apr 1, 2020 More than two dozen University of Texas students have tested positive for the coronavirus after taking a spring break trip to Mexico, public health officials said. A group of about 70 people who are in their 20s took a chartered plane to Cabo San Lucas about 10 days ago, the Austin Public Health Department said Tuesday. So far, 28 people…