5 Most Dangerous Infectious Diseases

An infectious disease is a disease that can be transferred from one person to another in various ways. They are caused by viruses, bacteria, fungi, protozoa and parasites. Some of them are very dangerous, while some are easy to treat. Given below are the 5 most dangerous contagious diseases. Aids

Acquired immune deficiency syndrome, HIV, is easily the most dangerous infectious disease. It is caused by the HIV virus.

Unfortunately, doctors haven’t been able to find a treatment to this life-threatening disease. Prevention is the only cure.

Some of the symptoms of Aids are: • Tumors • Low-grade fever • Weight loss The precautionary measures include: • Safe sex • Avoiding used medical equipments • Avoiding coming into physical contact with infected blood or materials It is transmitted by: • Sexual intercourse • Using infected blood products • From infected mother to a child during birth or even breastfeeding Tuberculosis

TB kills thousands of people every year all around the world. It is a very common and lethal lung infection. It is a bacterial disease, caused by Mycobacterium tuberculosis, which is a tiny aerobic bacillus.

The symptoms are: • Chest pain • Blood cough • Continuous cough Some preventive measures are: • The best option is to get treated. It gets worse with time. • Practice good hygiene and don’t come into contact with infected people. • The most used and effective vaccine is bacillus Calmette–Guérin (BCG). It can be transferred by open atmosphere. It reaches other people by: • Sneezing • Coughing • Spitting Malaria

It is an infectious disease that is caused by mosquitoes. The main cause of it is eukaryotic protists, a type of microorganism that is present in some female mosquitoes.

The symptoms of this dangerous disease include: • Retinal damage • Vomiting • Arthralgia (joint pain) The precautionary measures that you should take are: • Use mosquito killers that can send back infected female Anopheles mosquito. • Avoid coming into contact with infected people or animals. It is a contagious disease and is transmitted in many ways, such as: • It is normally transmitted from the mosquito. • It can be transmitted through coming into contact with infected blood. However, it is not transmitted by usual contact. Diarrhea

Diarrhea is a common cause of death, especially in developing countries. It is the condition where a person has 4 or more bowel movements per day. It is caused by viruses, bacteria and parasites.

Some common symptoms are: • Frequent loose, watery stools. • Abdominal cramps and pain. • Fever and weakness. Precautionary measures to be taken are: • Stay clean and eat healthy food. • Don’t use contaminated items and throw away all the trash right away. It is transmitted by: • Eating or drinking contaminated edibles. • Coming into direct contact with an infected person. • Coming into contact with surfaces or objects that are contaminated. Lower Respiratory Tract Infection

This dreaded infection is the cause of millions of deaths every year. It can be classified into Pneumonia and Bronchitis. Bronchitis has two types, chronic and acute. Both of them are contagious.

Symptoms: • Short of breath • High fever • Cough • Fatigue Some preventive measures are: • STOP SMOKING! This lung disease is mostly caused by smoking. • Have a healthy hygiene. • Don’t come into contact with infected people. It can be transmitted by: • It can transfer through air, hence it is transmitted by cough and sneeze easily. • Coming into physical contact with infected blood or tools.