5 DEADLY DISEASES in The world
5 DEADLY DISEASES in The world


It is true that many new vaccines are being developed and many deadly diseases have been rooted out from the core like polio. But still, the world is always facing the challenges of new and more dangerous and devastating deadly diseases. These diseases are lurking in their corridors.

It takes time to develop vaccines and research for the same. Research for many deadly diseases is going on but till then these deadly diseases, many of which are contagious spread their wings. They engross entire communities and nations

Till medicine does not catch up, the best we can do is to be aware of these deadly diseases and conscious and cautious of them. This is so as to arrest the spread of these diseases and stop them from claiming precious human lives.


Here are 5 deadly diseases which have spread like wildfire across nations and continents:

  • Zika virus

The first and most fatal of these types of deadly diseases is the Zika Virus. The virus was first identified in 1947 in Uganda in monkeys and the first human case was identified later in humans in 1952.

This virus is transmitted by the Aedes mosquito. This type of disease causes many different and varied complications in unborn babies when it is contracted by the pregnant fairer sex. Also, this virus is known to cause brain abnormalities.

This type of deadly disease is usually transmitted through mosquitos, especially the Aedes mosquito. It can be transferred from person to person easily. This virus can also be transferred through body fluids and through sexual intercourse. This is so as it is believed that it can live and thrive in semen. Also, a pregnant mother can pass on the virus to her unborn baby.

Some symptoms of the Zika virus, which is a type of deadly disease are mild and tend to last for two to seven days and include:

  1. Headaches
  2. Joint Pain
  3. Fever
  4. Rashes

It is still unclear what is the incubation period of the virus according to the WHO. But an approximate estimation puts it in a couple of weeks.

The most recent outbreak of the Zika Virus which is a type of deadly disease was reported in India in the year 2017. It is also reported to be present in parts of South America, Brazil, North America, and the Caribbean.

  • Marburg disease

Another deadly and dangerous type of disease is Marburg disease. This deadly type of disease comes in the same category as Ebola which is a hemorrhagic virus.

The Marburg disease, which is a type of deadly disease, is a serious and fatal illness. It causes bleeding in internal organs and bodily orifices.

First identified in Marburg and Frankfurt in Germany, the deadly disease was also reported in Serbia in the late nineteen sixties.

It was initially because of the prolonged exposure to mines and caves which were inhabited by the Rousettus bat colony that this infectious disease surfaced.

This type of deadly disease is spread by fruit bats to humans and then from humans to humans through various bodily fluids.

It has an incubation period of 2 to 21 days, according to the WHO estimates. This type of disease leads to many adverse symptoms. Some symptoms include:

  1. Vomiting
  2. Severe Diarrhea
  3. Bleeding from orifices
  4. Bleeding from Gastrointestinal tract

Recently this type of deadly disease was identified as existing in Uganda in October 2017 according to WHO estimates and findings.

  • Middle Eastern Respiratory Syndrome Coronavirus (MERS-CoV)

This is another major serious and deadly type of disease that has raised its head in recent years. MERS-Cov is a kind of respiratory illness and was first identified in Saudi Arabia in the year 2012. This type of deadly disease has since spread to several other nations and communities.

This is a deadly disease and most people, say 4 out of 10 infected with this type of disease die because of it. This is according to the Centers for Disease Control and Prevention (CDC).

Mostly this type of deadly disease is transmitted from dromedary camels to humans and is further spread from humans to humans through various bodily fluids.

As per the Center for Disease Control and Prevention (CDC), this type of deadly disease has an incubation period from 2 to 24 days. The mean being 5 days. Some of the symptoms of this disease are:

  1. A sore Throat
  2. A cough
  3. Fever
  4. Chills
  5. Headaches
  6. Nausea
  7. Abdominal pains
  8. Dizziness

It was in Saudi Arabia that the latest outbreak of this was reported in October 2017. Also in August 2017, the deadly disease was also reported in the United Arab Emirates.

  • Ebola virus disease

This type of deadly disease has been in the spotlight for the past few years. It has caused panic and disruption in African countries majorly.

This is a very serious and deadly type of disease. It can cause to be fatal if it is left untreated. Also, it is very contagious and can be transferred easily from person to person through body fluids.

This deadly type of disease causes hemorrhaging from internal organs and also from bodily orifices. There is no cure yet for the deadly disease. The symptoms though can be treated through support and care.

This Ebola virus belongs to the same family as the Marburg disease which spread like wildfire in Uganda in 2017.

This deadly type of disease is carried by fruit bats of the Pteropodidae species. Once an Ebola epidemic initiates itself the deadly disease can easily be transferred from human to human through body fluids. Also, it can spread through needles contaminated by infected secretions.

The incubation period for this deadly disease is from 3 to 8 days. This type of disease surfaces suddenly and the symptoms include:

  1. A severe Headache
  2. Diarrhea
  3. Bleeding from the gastrointestinal tract and other orifices
  4. Fatigue
  5. Fever

It was in the Democratic Republic of Conga where the most recent outbreak of the Ebola virus occurred in 2017 May.

Also from 2014 to 2016 the virus outbreak involved West Africa in urban and rural areas.

  • Human infection with avian influenza (H7N9)

This deadly type of disease has been in the news for all the wrong reasons. It has spread drastically and has created chaos and panic wherever it has spread.

It was in 2013 in China that the H7N9 virus cases were reported. majorly through poultry exposure that this disease occurred.

This deadly disease is contracted through infected poultry which includes birds like hens and turkey.

Most of the people when they contract this H7N9 virus show serious respiratory symptoms. Some of the symptoms of the H7N9 virus are:

  1. Body Aches
  2. Diarrhea
  3. Nausea and Vomiting
  4. Fever
  5. Headaches

The H7N9 was reported in humans in October 2017b in China by the World Health Organization (WHO)


Thus these deadly diseases show us that many new and varied diseases are lifting their faces as the world and the environment change due to human intervention. It is also true that it takes much time in developing an antidote. A remedy for these devastating and dire types of diseases is far from easy.

Research is going on in many developed and developing countries to find cures for these deadly types of diseases.  It will take its own time as it seems off now.

As they say ‘Precaution is better than Cure’, thus it is advisable to take all the necessary precautions so that one does not contract these deadly diseases.

It is better to avoid contact with patients infected with these deadly types of diseases. Also to stay away from them even if it is challenging and tough to resist. Also, it is advisable to let only the medical staff take care of such patients.

It is advisable not to visit countries or cities where these deadly diseases have spread rapidly. One should also report any outbreak to the medical authorities.

The human race has faced many challenges since time immemorial. It has come up with solutions and cures for deadly types of diseases like cholera and polio. We are definitely certain that through research and investment in R&D we can invent and discover cures for all of these deadly diseases.

Also, infected clothes, laundry and also utensils should be kept at bay. They should be washed separately. It is best to leave the care to trained medical personnel. This is so as they are aware of the precautions and necessary care to be taken in case of infected patients.

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