You may have heard of “combination” vaccines. These immunizations protect against more than one disease or virus. But, what exactly are they? How do they work?

Children receive vaccines from infancy to protect them from various diseases. Many of these infections could be fatal to them due to their growing immune system.

These routine shots can be hard on children and parents. The frequent trips to the hospital and many rounds of shots can quickly create frustration with the whole process. To combat this fatigue, most doctors recommend getting more than one shot per visit.

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For the past 11 years, the World Economic Forum has put together a list of the safest countries in the world to visit. These countries made it to the top five in 2017. This is based on a variety of factors including growth, policy, and security.

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Viral outbreaks are one of the most dangerous natural disasters that humans face. Scientists use disease information to predict when these outbreaks are going to start. New technology and methods make this a greater possibility.

A breakthrough in this process occurred last year with a new partnership. The New York University Tandon School of Engineering and the Polytechnic University of Turin worked together on outbreak management. The two schools created a model to better use vaccine strategies during an outbreak. The model will show the effectiveness of disease prevention.

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In April 2017, the World Health Organization reported that over 489 people had died from a meningitis outbreak in Nigeria, with over 4,600 suspected cases in the country. Earlier this year, the International Coordinating Group and WHO have sent 341,000 doses of the meningitis vaccine to the area.

However, since April, the disease is still spreading and the death toll has now risen to over 1,100.

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Alexander The Great remains one of the most infamous and talked about figures in history. We know so much about his conquers around the world, but so little about what caused his death. There are many theories out there as to what brought this man to his downfall, but no one knows for sure. The most realistic theories of his death involve disease and viruses.

Malaria and Typhoid

Both of these diseases were common and rampant throughout Ancient Babylon, which would have made Alexander easily susceptible.

Transferred by mosquitoes, the symptoms of both malaria and typhoid are consistent with Alexander’s symptoms right before his death.

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