Some diseases in this World are so dangerous that it becomes very difficult to control them and if no prevention measures are taken, they spread to the world. These are the world’s deadliest infectious diseases. COVID-19 was the most infectious disease in 2022 that is originated in China, Wuhan. 1.24 million People have died due to this pandemic disease.
Tuberculosis is also one of the infectious diseases that fail the body’s defense system. 1.13 million People have died in the past due to this disease. AIDS/HIV is very harmful as it can lead to the person dead and almost 630.000 people have died globally due to this disease. Malaria is also one of the most infectious diseases that has affected people globally.
Infectious Disease:
Here is the world’s deadliest infectious disease that had affected the people globally and caused the reason of death.
COVID-19: Deadliest Infectious Diseases

Causes of COVID-19:
Covid-19 stands for Coronavirus 2019 caused by the dangerous virus SARS-CoV-2. This disease introduces in 2019 and gradually spread globally. The symptoms of Covid-19 are the fever, fatigue, laziness, short breathing, blush face or lips and chest pain.
Firstly, we should know about the cause of COVID-19 and why it is spreading? COVID-19 spreads through respiratory dewdrops when an infected person sneezes, coughs, talks or even breaths. It also transmits by touching, even if you constantly touch your face, mouth or some allergic organs. . Initially, it affects our respiratory system and causes the reasons of cough, fever and breathing difficulty, loss of smell and taste.
How to prevent it?
You can prevent corona virus by adopting some guiding measures that are mentioned:
- You should wear masks when you are gathering.
- You should maintain distance about 10 cm with every person.
- You should regularly wash your hands with sanitizers.
- You should adopt the isolation and follow the quarantine protocols if you are feeling that you are in the condition of this virus.
How to stop?
Everyone should follow some guidelines through we can stop the corona virus. Here are the techniques through which we can stop this pandemic disease.
Vaccination:
Getting vaccinated is one of the helpful techniques to resist the corona virus. Through this, you can prevent yourself from the intense symptoms of COVID-19. Vaccine enhances your immune system to fight against harmful disease. Worldwide health organizations recommend that vaccine is one of the most helpful methods to protect you from the symptoms of the Covid-19.
Avoid crowded places:
Crowded places and gatherings become the reasons of spreading COVID-19. In the crowd, if an infected person sneezes or cough so, it can spread in crowd. So, it is very beneficial that if a person feels that he is infected so, he should far away from crowding and adopt quarantine.
Wearing mask:
You should wear mask even if you are infected or not because if you are with those people who are infected this disease so, it may be possible that you will be affected. You should also wash your hands at least 20 seconds with soap regularly.
Statistics of COVID-19:
Most of them have been infected due to the Corona virus. Globally, 687,225,609 cases have reported of COVID-19. This virus is most dangerous. But most of the people have recovered. If a person follows the worldwide guidelines and adopt helpful measures so he can protect himself from this pandemic disease.
Tuberculosis:

Tuberculosis is the world’s deadliest infectious disease produced by mycobacterium tuberculosis. In the 19th and 20th century, this disease has been reached at a global level. It was originated about three million years ago in South Africa. Most of the people have died due to tuberculosis. The death rate of tuberculosis is up to 66% globally.
Causes of Tuberculosis:
Tuberculosis affects lungs and all parts of the body as kidney, brain, immune system and neurological system. It spreads when an infected person sneezes, coughs, talks or even breathes. Symptoms of tuberculosis are fatigue, weight loss, cough and laziness.
How to prevent?
Everyone should follow some guidelines through which you can prevent yourself from the symptoms tuberculosis.
Natural light:
Ultraviolet light or natural light is very useful for the destruction of the symptoms of the tuberculosis. Health care organizations suggest that those who are infected with tuberculosis and its symptoms these patients should take natural light. Natural light kills bacteria of tuberculosis.
Good hygiene:
Everyone should cover the mouth and nose. In this way, you can prevent yourself from the symptoms of the tuberculosis.
Tested:
Patients should test themselves regularly. In this way, they can examine their health conditions.
How to stop?
Vaccination:
Worldwide health organizations recommend that vaccine is one of the most helpful methods to protect you from the symptoms of the tuberculosis.
Awareness and education:
Educating people about tuberculosis, its causes, transmission, symptoms, diagnosis and its treatment is beneficial for reducing this pandemic disease.
Statistics of Tuberculosis:
TB is the second-world infectious disease after COVID-19. In 2022, 10.6 million people have affected with TB globally, including 3.5 million women, 1.3 million children and 5.8 million men.
AIDS/HIV

HIV stands human immunodeficiency Virus is a virus and infectious disease that affects our immune system, especially the CD4 cells, also called T cells. This disease disturbs the human abilities and mind abilities. Aids is an advanced stage of HIV, both are same. This disease is also included as the deadliest infectious diseases that makes the person unhealthy, weak and lazy.
Causes of AIDS/HIV:
From mother to child:
HIV/AIDS can be transmitted from infected mother to the child during childbirth or pregnancy.
Contaminated blood:
Sharing syringes or needles for drug use is an important factor for the transmission of the HIV/AIDS. If someone uses the infected person’s luggage so he may be affected AIDS.
Blood transfusion:
HIV can be transmitted through the blood transfusion. So, if an infected person gives blood to someone so, HIV/AIDS transmit.
How to prevent it?
Needle exchange:
We should provide clean and syringes and needles for individuals. In this way, you can prevent yourself from this harmful disease.
Pre-exposure prophylaxis:
If you are affected HIV/AIDS so, you should Take pills such that Descovy or Truvada can help to reduce the symptoms of the HIV/AIDS. These pills are very beneficial for infected HIV/AIDS people.
How to stop?
Awareness and education:
Spreading awareness about HIV transmission is an essential factor for reducing their risk. Educating people about AIDS/HIV, its causes, transmission, symptoms, diagnosis and its treatment is beneficial for reducing this life killing disease.
Global coordination:
Everyone should participate to stop the symptoms of AIDS/HIV. Communities, government and worldwide health organizations should participate to lend their hands to end this disease.
Statistics of AIDS/HIV:
People such that 39 million were living with this infectious disease. In 2022, 1.3 million people are newly affected. Research shows that 630,000 people have died from AIDS/HIV in 2022.
Malaria:

Malaria is an infectious and severe disease initiated by parasites. Malaria is a life-threatening disease caused by mosquitoes. Firstly, malaria was detected in Egypt. Before this, people do not know what is this disease? Malaria is the world’s deadliest infectious disease.
Causes of Malaria:
This disease is caused through the bites of the infected female mosquitoes. This female mosquito is known as Anopheles. When this mosquito bites a person so, this person affected by this disease called malaria. Firstly, malaria affects the red blood cells in the body then it affects the liver and gradually this disease reaches an intense level. The symptom of malaria is illness, fever, jaundice, anemia and sometimes it affects the kidney, brain and blood.
How to prevent it?
Mosquito control:
Most of the people want to prevent themselves from the malaria. So people should use insecticides bed net and internal residual spraying. People should make healthful environment that protects them.
Medications:
Proper treatments and medications protect people from malaria. Atovaquone and Chloroquine medications are very beneficial for the treatment of malaria.
Protective clothing:
In malaria, health organizations suggest that people should wear long sleeved clothes.
Prevent Outdoor activities:
An infected person should avoid the outdoor activities and gathering. If an infected person does not adopt some suggested guidelines so he can face some serious health issues.
How to stop?
Vaccines:
Vaccines are the best treatment for infected persons. Worldwide health organizations recommend that vaccine is one of the most helpful methods to protect you from the symptoms of the malaria.
Global funding and cooperation:
Global cooperation such that government, health organizations and communities are the best technique for protecting people.
Statistics of Malaria:
According to the worldwide report, 245 million cases are reported in 2020. Most of the people have died due to this disease. About 65,000 people have died due to malaria. 247 million cases are reported in 2021 and 619,000 people have died due to malaria.
The world’s deadliest infectious disease as “above mentioned” are life threatening disease that affects the person’s mind abilities, brain, kidney and immune system. The world’s deadliest infectious disease causes the reasons of the destruction of red blood cells, weakness, weight loss, diabetes, blood pressure and osteoporosis, etc. Worldwide health organizations suggest that people should access health care institutes. People should examine themselves regularly. Health organizations, communities and government should be cooperated to stop the infectious diseases.