The massive yellow fever vaccination campaign highlights why existing programmes need to be strengthened.
They kill thousands of animals and people every year by spreading rabies. New research findings could solve the problem.
Individual stories of perceived vaccine harms can undermine trust in vaccine safety, even if people don't believe the vaccine was to blame.
Overall rates of vaccine objection have remained largely unchanged since 2001.
New initiative with old handsets halves rates of the disease in southern Tanzania – and is being applied to other conditions, too.
Edward Jenner deliberately infected a young boy with cowpox and then smallpox. But his method wasn't as mad as is often made out.
Myths about vaccines have resurfaced once again. Here is why you shouldn't believe them.
As more vaccines have been developed, the challenge of delivering them with minimal pain and number of visits to the doctor has increased. Needle-free vaccinations might help.
When a high proportion of a community is immune it becomes hard for diseases to spread from person to person – a phenomenon known as herd immunity.
Two major clinical trials will be conducted in South Africa in 2016 to test ways of preventing new HIV infections.
Despite the success of mass immunisation campaigns in Africa, the continent still lags behind in meeting global vaccination targets.
A Harvard University researcher last week suggested western women stop breastfeeding after a couple of months to reduce the risk of passing potentially harmful toxins on to infants via breast milk.
Media coverage of a recent study involving a "leaky" vaccine raised questions about the possibility that they could make viruses more dangerous.
The positive impact of the polio eradication initiatives on the continent can be felt across the health sector in other health programmes.
It's been one year since the last polio case was reported in Africa. If the continent keeps this up, it could be declared polio free by 2018.
A Family Court "order" for parents of a child to not smoke around him and to limit their alcohol consumption while caring for him have invited the same old accusations about the "nanny state".
Vaccines aren't just for animals anymore. Research shows priming plants with pathogen-derived compounds strengthens their immune systems and enhances protection against future attack.
Jim Carrey's anti-vaccination tweets employ a number of techniques used by anti-science cranks. By understanding them, we can shield ourselves from well-intentioned but ill-informed voices.
South Africa's cervical cancer strategy has not yielded great results. Despite this, the country has still not opted for an alternative screening methods.
Vaccines have always had potential side effects but they remain our best defence against far more dangerous infectious diseases.