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When a certain percentage of a population has been vaccinated, it prevents an infectious disease from spreading. But that threshold depends on the disease.
Seven to 10 days in bed with a high fever and rash is the best outcome you can expect if your child catches measles. Brain damage or death is the worst.
Many countries in sub-Saharan Africa have made vaccination and post-infection therapy available. But the number of those infected annually and dying from viral Hepatitis continues to be high.
Washing hands and coughing into your elbow can help limit the spread of infectious diseases on planes and around the globe. So why don’t passengers read about this in their inflight magazines?
Ian Barr, WHO Collaborating Centre for Reference and Research on Influenza
Headlines about this year’s flu season have been alarming. It’s true, we are having a serious season – but the data doesn’t indicate it’s the worst one we’ve ever had.
There are many reasons adults might not be up to date with the vaccinations they need. Catching up is easy enough, and vitally important in the fight against infectious diseases.
The high stress conditions of an outbreak can spread a dysfunctional culture among those working to fight it. A survey after the 2015 Ebola epidemic quantified the issue – and suggests a better way.
The bacteria that causes melioidosis usually lives 30cm underground in clay soil but is dredged to the surface during heavy rains and floods, and can enter the body through small breaks in the skin.