Video PlayerClose
A researcher tests the quality of ventilator components at the Cuban Neuroscience Center in Havana, Cuba, on July 10, 2020. (Photo by Joaquin Hernandez/Xinhua)
A researcher tests the quality of ventilator components at the Cuban Neuroscience Center in Havana, Cuba, on July 10, 2020. (Photo by Joaquin Hernandez/Xinhua)