COVID-19: The coronavirus spread like wildfire, resulting in a global pandemic. According to the recent update, WHO has recorded 775,917,102 COVID-19 cases and 7,058,381 reported deaths to date.
HIV: Since the beginning of the epidemic, 88.4 million [71.3–112.8 million] people have been infected with the Human Immunodeficiency Virus (HIV) and about 42.3 million [35.7–51.1 million] people have died of HIV.
Cultivating mushrooms has a low environmental impact. They can grow on agricultural waste products like straw or coffee grounds, recycling these materials and reducing waste.
Smallpox: A contagious viral infection that caused human deaths for centuries. In the 20th century, smallpox killed more than 300 million people. However, since 1977, successful vaccinations have eradicated it globally.