Apple Corporation is marking World AIDS Day by giving more than 400 of its stores a makeover in red and raising money to fight AIDS in Africa.
Reducing the number of malaria cases takes multiple, coordinated approaches, including early diagnosis, pesticides and therapy.
Inovio Pharmaceuticals has created a potential vaccine for the mosquito-transmitted virus Zika, which has become an epidemic.
Polio, which once infected 350,000 people, is almost nonexistent today, thanks to partnerships between governments and private organizations.
Droughts, flooding and changing weather patterns have a negative impact on women's health. Some discussions at COP21 will focus on this and gender equality.
In this video, U.S. Special Representative for Iran Brian Hook presents some of the devastating effects of Iran's mismanagement of water resources.
Measles has been eliminated in North, South and Central America after 22 years of vaccination campaigns, says the Pan American Health Organization.
Electricity blackouts and widespread medicine shortages mean that childbirth and motherhood present grave risks in Venezuela.
See a collection of stories, photos and tweets on the U.S. commitment to fighting COVID-19 worldwide during the first few months of the pandemic.