Articles on Vaccination

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What if it wasn’t back to the drawing board every year for a new flu shot? Andrew Kelly/Reuters

Influenza: The search for a universal vaccine

Flu virus mutates so quickly that one year's vaccine won't work on the next year's common strains. But a new way to create vaccines, called 'rational design,' might pave the way for more lasting solutions.
Most ill health can be avoided on family holidays through research and planning in advance, plus smart packing. from www.shutterstock.com

Prepare for a healthy holiday with this A-to-E guide

Simple steps can lower your risk of bringing home traveller's diarrhoea, respiratory infections and mosquito-borne diseases from your holiday.
A nurse administers the HPV vaccine in Dallas, Texas in 2007. Jessica Rinaldi/Reuters

Stories of vaccine-related harms are influential, even when people don’t believe them

Individual stories of perceived vaccine harms can undermine trust in vaccine safety, even if people don't believe the vaccine was to blame.
Protecting the herd means a certain proportion of the population has to be immunised. Flickr/Princessrica

Explainer: what is herd immunity?

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.
A women gets an HIV test. Sub-Saharan Africa accounts for the majority of the HIV deaths annually. World Bank Collection/flickr

Two trials signal pivotal point in fight against the AIDS epidemic

Two major clinical trials will be conducted in South Africa in 2016 to test ways of preventing new HIV infections.
A child receives vitamins during a vaccination campaign against polio. Reuters/Thierry Gouegnon

Why Africa is lagging behind in child vaccination

Despite the success of mass immunisation campaigns in Africa, the continent still lags behind in meeting global vaccination targets.
‘Leaky vaccines’ don’t affect the ability of the virus to reproduce and spread to others; they simply prevent it from causing disease. U.S. Army Corps of Engineers Europe District/Flickr

Are vaccines making viruses more dangerous?

Media coverage of a recent study involving a "leaky" vaccine raised questions about the possibility that they could make viruses more dangerous.
The Nigerian commissioner for health of Bauchi state, Sani Malam, administers a polio vaccine to a child during an immunisation drive. EPA/Deji Yake

The legacy benefits from Africa’s fight against polio

The positive impact of the polio eradication initiatives on the continent can be felt across the health sector in other health programmes.

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