Widespread diseases

6. Is a virus that causes problems with how your blood clots. It is known as a hemorrhagic fever virus, because the clotting problems lead to internal bleeding, as blood leaks from small blood vessels in your body. The virus also causes inflammation and tissue damage.
8. A several viruses that cause respiratory infections and can spread quickly around the world. Countries try to mitigate their negative effects through a series of preventive measures
9. Is an infectious disease that usually affects the lungs, though it can affect any organ in the body. It can develop when bacteria spread through droplets in the air. Can be fatal, but in many cases, it is preventable and treatable.
10. First originated in China in 2003. It is contagious disease that starts with high fever and can show headache, an overall feeling of discomfort, body aches, diarrhea, dry cough and pneumonia.

1. A disease manifested in several forms -- bubonic, septicaemic and pneumonic. Initially it looks like flu -- starts with fever, chills, head and body-aches as well as weakness, vomiting, and nausea.
2. A virus transmitted from animals to humans. Symptoms include fever, tiredness, and dry cough. It has spread to six continents in just a few monthsin 2019 and infected more than 120,000 people.
3. A viral infection transmitted by infected mosquitoes. Many people don’t show symptoms but infected patients can experience fever, muscle pain, backache, headache, loss of appetite, nausea and vomiting.
4. A disease caused by a bacteria. Common symptoms include a stiff neck, high fever, sensitivity to light, confusion, headaches, and vomiting.
5. Is an infectious disease that causes severe watery diarrhea, which can lead to dehydration and even death if untreated. It is caused by eating food or drinking water contaminated with a bacterium
7. It was a serious infectious disease caused by the variola virus. It was contagious—meaning, it spread from one person to another. People had a fever and a distinctive, progressive skin rash