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Maybe that was the first clue that once when Mario jumped into the fray to rescue Lee or help Jim with something, he was actually put into the pathway of the virus. Now, he seems to already be in the aggressive, angry phase of the infection, which became obvious when he killed his Court of Owls-sent assailant.

As the show demonstrated with Barnes who was replaced by Harvey Bullock, hilariously , once someone starts demonstrating symptoms of the virus, it's easy to hide, but it's a steep and quick decline before the infected person becomes lost in their own madness.

After an episode or two of having super strength and super rage, Barnes was murdering innocent people and screaming "guilty," so Mario has only a few days left before he's totally reduced to gibberish, and as Lee explained, there's still no cure. Marburg virus symptoms are similar to Ebola in that both viruses can cause hemorrhagic fever, meaning that infected people develop high fevers, and bleeding throughout the body that can lead to shock, organ failure and death, according to Mayo Clinic.

The first known Marburg virus outbreak in West Africa was confirmed in August The case was a male from south-western Guinea, who developed a fever, headache, fatigue, abdominal pain and gingival hemorrhage. This outbreak lasted for six weeks and, while there were high-risk contacts, only one case was confirmed, according to Reuters. In , the first known Ebola outbreaks in humans struck simultaneously in the Republic of the Sudan and the Democratic Republic of Congo.

Ebola is spread through contact with blood or other body fluids, or tissue from infected people or animals. The known strains vary dramatically in their deadliness, Elke Muhlberger, an Ebola virus expert and associate professor of microbiology at Boston University, told Live Science. The outbreak underway in West Africa began in early , and is the largest and most complex outbreak of the disease to date, according to the WHO. In December , the Ervebo vaccine was approved by the U.

Food and Drug Administration. This vaccine helps to defend against the Zaire ebola virus and a global stockpile became available from January Although rabies vaccines for pets, which were introduced in the s, helped to make the disease extremely rare in the developed world, this condition remains a serious problem in India and parts of Africa. Infection from this virus develops after a bite or scratch from an infected animal. This can result in damage to the brain and nerves.

In the modern world, the deadliest virus of all may be HIV. Amesh Adalja, an infectious disease physician and spokesman for the Infectious Disease Society of America. An estimated 32 million people have died from HIV since the disease was first recognized in the early s. Powerful antiviral drugs have made it possible for people to live for years with HIV.

In , there were , HIV-related deaths worldwide. In , the World Health Assembly declared the world free of smallpox. But before that, humans battled smallpox for thousands of years, and the disease killed about 1 in 3 of those it infected, according to the BBC. It left survivors with deep, permanent scars and, often, blindness. In populations outside of Europe, where people had little contact with the virus before visitors brought it to their regions, mortality rates were much higher.

In the 20th century alone, smallpox killed million people, the BBC reported. Hantavirus pulmonary syndrome HPS first gained wide attention in the U. A few months later, health authorities isolated hantavirus from a deer mouse living in the home of one of the infected people.

More than people in the U. The virus is not transmitted from one person to another, rather, people contract the disease from exposure to the droppings of infected mice. Previously, a different hantavirus caused an outbreak in the early s, during the Korean War, according to a paper in the journal Clinical Microbiology Reviews.

But in fact the risk of contracting the H5N1 strain - one of the best known - is quite low. You can only be infected through direct contact with poultry. It is said this explains why most cases appear in Asia, where people often live close to chickens.

A nurse in Nigeria was the first person to be infected with the Lassa virus. The virus is transmitted by rodents. Cases can be endemic - which means the virus occurs in a specific region, such as in western Africa, and can reoccur there at any time. Scientists assume that 15 percent of rodents in western Africa carry the virus. The Junin virus is associated with Argentine hemorrhagic fever. People infected with the virus suffer from tissue inflammation, sepsis and skin bleeding.

The problem is that the symptoms can appear to be so common that the disease is rarely detected or identified in the first instance. The Crimea-Congo fever virus is transmitted by ticks. It is similar to the Ebola and Marburg viruses in the way it progresses. During the first days of infection, sufferers present with pin-sized bleedings in the face, mouth and the pharynx.

The Machupo virus is associated with Bolivian hemorrhagic fever, also known as black typhus. The infection causes high fever, accompanied by heavy bleedings. It progresses similar to the Junin virus. The virus can be transmitted from human to human, and rodents often the carry it. It is transmitted by ticks, but scientists say it is difficult to determine any carriers. It is assumed that rats, birds and boars could be hosts. People infected with the virus suffer from high fever, strong headaches and muscle pain which can cause bleedings.

Dengue fever is a constant threat. If you're planning a holiday in the tropics, get informed about dengue. Transmitted by mosquitoes, dengue affects between 50 and million people a year in popular holiday destinations such as Thailand and India. But it's more of a problem for the 2 billion people who live in areas that are threatened by dengue fever.

Being diagnosed with cancer is a shock that hits you hard. And yet almost half of all cancer cases could be prevented. Smoking alone triggers about every fifth tumor. The toxic cigarette smoke does not only cause lung cancer but many other kinds of tumors as well. Smoking is the most frequent self-imposed cause for cancer, but not the only one. In second place of cancer-causing agents: obesity.

Why it causes cancer? Enhanced insulin levels increase the risk of almost all sorts of cancer, especially when it comes to kidney, gall bladder, and oesophagus cancer. Overweight women produce increasing amounts of female sex hormones in their fat tissue and hence have a higher risk for uterine or breast cancer.

People who don't move enough are especially likely to get cancer. Long-term studies show that exercising prevents tumors. After all, working out lowers the insulin levels while preventing you from gaining weight. Even just going for a walk or a bike ride makes a big difference.

Alcohol promotes tumors in the oral cavity, the throat and the oesophagus. The combination of smoking and drinking is especially dangerous and increases the risk of cancer up to a hundredfold. Red meat can cause intestinal cancer. The exact cause has not yet been determined, but long-term studies show a significant correlation between the consumption of red meat and intestinal cancer.

Beef is especially dangerous, but even pork can cause cancer to a minor degree. Meat consumption increases the risk of cancer one and a half times.



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