Tuberculosis is the leading cause of death from a single infectious agent, responsible for an estimated 1.5 million deaths in 2020.

As of 2020, an estimated 37.7 million people were living with HIV/AIDS globally.

Malaria is the deadliest vector-borne disease, causing an estimated 409,000 deaths in 2019.

Hepatitis B is primarily transmitted through blood-to-blood contact, such as sharing needles or receiving blood transfusions from an infected person.

Cholera is an infectious disease caused by the bacterium Vibrio cholerae, which is transmitted through contaminated food or water.

COVID-19 is caused by the SARS-CoV-2 virus, which belongs to the family of coronaviruses.

Dengue is a mosquito-borne viral infection that causes a high fever, headache, and muscle pain.

The MMR vaccine is a combination vaccine that protects against measles, mumps, and rubella.

Aspergillosis is an infection caused by a fungus called Aspergillus, which can affect the lungs, skin, and nails.

Malaria is caused by a parasite called Plasmodium, with Plasmodium falciparum being the most common and deadly species.

HIV/AIDS is caused by the human immunodeficiency virus (HIV), which can be transmitted through sexual contact, sharing needles, or from mother to child during pregnancy, childbirth, or breastfeeding.

Streptococcus pneumoniae is a bacterium that can cause pneumonia, meningitis, and sepsis.

Measles is a highly contagious viral infection that causes a rash, fever, and swollen lymph nodes.

The IPV vaccine is an inactivated polio vaccine that is used to prevent polio.

Salmonella is a bacterium that can cause diarrhea, vomiting, and abdominal pain.