Section 1.1: HIV/AIDS

HIV/AIDS is a viral condition that undermines the immune system, potentially leading to serious health issues, such as cancers and opportunistic infections. As of now, over 38 million individuals are living with this disease worldwide, with more than 32 million fatalities recorded since its emergence in the 1980s.

Section 1.2: Tuberculosis

Tuberculosis (TB) is a bacterial infection that primarily targets the lungs and is highly transmissible. If untreated, it can be lethal. The World Health Organization (WHO) identifies TB as one of the leading causes of death globally, with over 1.4 million lives lost to the disease in 2019.

Section 1.3: Malaria

Malaria, caused by a parasite spread through mosquito bites, remains a significant health threat in sub-Saharan Africa. Symptoms resemble those of the flu and can escalate to critical conditions, including organ failure and neurological damage. In 2019, approximately 229 million malaria cases were reported, leading to over 400,000 deaths.

Section 1.4: Ebola

This viral hemorrhagic fever is highly infectious and often fatal. Ebola outbreaks have been noted in various African nations, with the most extensive outbreak occurring from 2014 to 2016 in West Africa, resulting in more than 11,000 deaths.

Here’s a video discussing the top five deadliest diseases ever documented.

Section 1.5: Cholera

Cholera is a bacterial infection impacting the small intestine, leading to severe diarrhea and dehydration. Poor sanitation and contaminated water sources often trigger cholera outbreaks. The WHO reported over 1.3 million cholera cases in 2019, with more than 21,000 fatalities.

Section 1.6: Dengue

Dengue fever, another mosquito-borne viral infection, can result in severe flu-like symptoms and, in some instances, dengue hemorrhagic fever, which can be life-threatening. It is prevalent in tropical and subtropical regions, with an estimated 390 million infections occurring annually.

Section 1.7: Yellow Fever

Yellow fever is a viral hemorrhagic illness spread by mosquitoes that can lead to liver damage, bleeding, and death. This disease is endemic in parts of Africa and South America, and unfortunately, there is no specific treatment available for it.

Section 1.8: Zika

Zika is a viral infection transmitted by mosquitoes that typically causes mild symptoms in the general population. However, for pregnant women, it can result in serious birth defects. The disease has rapidly spread in recent years across South and Central America, the Caribbean, and Southeast Asia.

Section 1.9: Influenza

Commonly referred to as the flu, influenza is a highly contagious viral infection affecting the respiratory system. While most individuals recover without complications, it can be fatal for those with compromised immune systems, older adults, and young children. Each year, the flu results in millions of illnesses and hundreds of thousands of deaths globally.

Section 1.10: Diabetes

Diabetes is a chronic condition where the body struggles to manage blood sugar levels effectively, leading to various complications, including cardiovascular issues, nerve damage, and blindness. Over 400 million individuals are currently affected by diabetes, with its prevalence rising steadily.