the most harmful disease in the world is cancer (it kills the most people).
look places to find coz this site dosent now anything
House fly
The mosquito, which through disease it carries, kills many people every year.
Cardiovascular disease kills the most and it is mainly caused by ignorance towards a healthy diet. Otherwise it is hard to answer your question due to unknown variables such as age groups and prior conditions such as obesity.
I assume it is Malaria.
Technically, mosquitoes kill the most people because of the transfer of disease. Other than this, hippos physically kill the most people.
domestic violence
the mosquitoe
cancer
The leading causes of death among women are cardiovascular disease, malignant cancer, cerebrovascular disease, chronic lung disease, pneumonia/influenza, and diabetes
Diabetes, lung disease, cancer, and heart disease are the four most common diseases that cause the most deaths. Every year, heart disease kills approximately one million Americans alone.