Genetic diseases are not caused by infectious agents, but rather by genetic mutations.

Fever is the most common symptom of the flu, with most people experiencing a fever of 100 degrees Fahrenheit or higher.

Loss of taste or smell is not a symptom of COVID-19, although it is a common symptom of other viral infections.

Lung cancer is the most common type of cancer worldwide, accounting for about 1.8 million deaths each year.

Regular exercise is not a risk factor for heart disease, but rather a protective factor that can help to reduce the risk of developing heart disease.

Heart disease is the leading cause of death in the United States, accounting for about 659,000 deaths each year.

Autism is a neurodevelopmental disorder, not a mental illness.

Chlamydia is the most common STI in the United States, with an estimated 1.3 million new cases each year.

Polio is not a vaccine-preventable disease, as there is no vaccine available for polio.

HIV is the virus that causes AIDS (acquired immunodeficiency syndrome).

Headache is not a symptom of malaria.

ALL is the most common type of leukemia, accounting for about 25% of all cases.

Prediabetes is not a type of diabetes, but rather a condition in which blood sugar levels are higher than normal, but not high enough to be diagnosed with diabetes.

Osteoarthritis is the most common type of arthritis, affecting about 32.5 million adults in the United States.

Difficulty with motor skills is not a symptom of Alzheimer's disease.