The head of the Pan American Health Organization (PAHO) said that about 250,000 of the world's 732,000 COVID-19 cases reported last week were from Latin America, which is concerning and underscores a need to double down on efforts to battle the virus, including ramping up testing.The global total today rose to 6,333,760 cases, and 378,240 people have died from their infections, according to the Johns Hopkins online dashboard.Overwhelmed health systems, not enough testingAt a media briefing Carissa Etienne, MBBS, MSc, director of the World Health Organization's (WHO's) PAHO, said the Americas region is nearing 3 million cases, just under half of the world's cases. "The situation we face is dire, but not hopeless—as long as our approach to