![FILE - This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the virus that causes COVID-19. (NIAID-RML via AP, File)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7OH2TUMOKZWYK4XLNETAHQUPNI.jpg?smart=true&auth=40220442f9a79cc2784fc0513309f7fb6fae2e0ec86cd1fd3367c2edb6e7c402&width=400&height=225)
A microscope image showing the virus that causes COVID-19. NIAID-RML via AP
A microscope image showing the virus that causes COVID-19. NIAID-RML via AP
Conflict between humans and animals raises pandemic threat
Biodiversity experts warn of up to 1.7 million deadly, unidentified viruses in animals that could cross to us