Top 5 Most Dangerous Types of Contagious Infectious Diseases?

There are many different types of contagious infectious diseases from the various types of bacterial infections such as bacterial skin infections to respiratory tract infectious but not all are highly contractible. The top five most contagious infectious diseases include respiratory tract infections such as bronchitis and pneumonia, HIV/AIDS, diarrheal diseases, tuberculosis and malaria.

Respiratory tract infections, especially lower respiratory infections such as bronchitis and pneumonia are considered the most contagious and deadly. This is due to the fact that these infections spread via coughing and breathing. Also, once someone has the flu or other sickness, secondary contraction of pneumonia is common and this can often lead to death.

HIV/AIDS is transmitted through unprotected sex and once contracted. There is no cure. It is an opportunistic disease and attacks and weakens your whole immune system which will eventually lead to death.

Diarrheal diseases, also called gastroenteritis is included in the top 5 types of contagious infectious diseases because like many types of bacterial infections this one can have many different causes. It can be caused by different bacterium and can lead to severe dehydration which can be deadly if left untreated and not properly cared for.

Tuberculosis is characterized by violent coughing which contributes to its transmission. Luckily this disease isn’t as common as it used to be and there is a vaccine available today for prevention.

Malaria is common in sub Saharan Africa and is contracted through mosquito bites. This is a deadly disease and highly contractible in areas with poor drinking water and is associated with poverty stricken areas.

The information supplied in this article is not to be considered as medical advice and is for educational purposes only.