Sidney Crosby is one of the NHL's top goal scorers, but he's also one of more than a dozen players currently sidelined with the mumps. The outbreak has led the league to give players and coaches booster shots in an effort to contain the spread of the disease.
After the kidnapping of hundreds of schoolgirls in Nigeria, the rise of Ebola seemed to be another threat too big for the country's government. But the WHO now says Nigeria has defeated Ebola thanks to the government's rapid response, which gives some Nigerians renewed hope.
The Ebola virus has killed nearly 700 people in West Africa, and the death toll now includes the doctor who was leading the fight against the disease in Sierra Leone. That's left the campaign there desperately short of expertise.
Across Africa, many HIV-positive women would like to have children, but they face a dilemma: How can they become pregnant without putting their partners at risk? Dr. Okeoma Mmeje, an ob-gyn at the University of Michigan, offers an inexpensive solution.
Sexual attitudes are changing in South Africa. But there remains challenges in family planning and disease prevention. Anchor Marco Werman talks with reporter Poppy Louw from The Times newspaper in Johannesburg about those challenges.
A deadly new SARS-like virus has been traced to bats. The Middle East Respiratory Syndrome, or MERS, is lethal to 60 percent of those infected. A new study has found the virus is carried by a type of bat in Saudi Arabia, ground-zero for the disease.
In Somalia, Ali Maow Maalin died unexpectedly this week. His passing is a milestone in the history of a viral disease: smallpox. Ali Maow Maalin was the last person in the world to be infected with naturally occurring smallpox.
Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop vaccines, while lay citizens help care for sick koalas.
The Chinese government is reacting to the new outbreak of bird flu with some refreshing transparency. But The World's Mary Kay Magistad in Beijing tells anchor Marco Werman that some Chinese who have questioned official statistics have landed in jail.
Several scientific groups are tracking the global spread of infectious diseases by monitoring Twitter, web searches, and other content online. The World's Rhitu Chatterjee looks at the promise and challenges of disease surveillance via the internet.
President Bush is scheduled to leave tomorrow for a trip to the African nations of Benin, Tanzania, Ghana, Rwanda and Liberia, and Anchor Lisa Mullins has details on an exclusive interview with the BBC
President Bush is in Ghana today, and the African nation is one of the recipients of the president's emergency aid for HIV/AIDS, including funding for HIV prevention messages that stress abstinence over safer sex
Anchor Marco Werman speaks with public health expert Kamiar Alaei about a new HIV/AIDS prevention program getting a test run in Iran this week: authorities have installed some vending machines in addiction centers that dispense condoms and syringes.
Anchor Katy Clark gets two perspectives on the global battle against malaria: one view is that of Abdullahi Boru, a BBC correspondent who contracted malaria as a teenager; the other view is that of Nils Dauliere