President Trump says the United States will soon begin authorizing vaccines against COVID-19 after an unprecedented push to end the global pandemic quickly.
The legitimate interim government of Venezuela has helped over 62,000 health care workers receive a living wage during the pandemic.
This gallery of photographs showing how Americans help one another during the coronavirus crisis is a testimony of U.S. volunteerism in times of hardship.
The U.S. military has collected more than 10,000 units of blood plasma from U.S. donors who survived COVID-19 to support future treatments.
World AIDS Day is a time to redouble efforts to eradicate the disease and HIV. Learn how the U.S. is attacking them on multiple fronts.
Vaccine trials involve many steps to ensure the final products are safe and effective. Learn more about the effort to develop a COVID-19 vaccine.
China is the world leader in mercury and greenhouse gas emissions, posing significant risks to China's citizens and the environment.
The U.S. government's Operation Warp Speed is supporting multiple possible vaccines for COVID-19, including two that appear effective in clinical trials.
A new U.S. air-quality app provides users around the world with information to reduce their exposure to harmful air pollution.