Imaging is not a common method for diagnosing infectious diseases, as it is typically used to diagnose structural abnormalities or injuries.

Bright-field microscopy is the most common type of microscopy used to diagnose infectious diseases, as it is simple to use and can be used to visualize a wide range of microorganisms.

Stool culture is not a common type of culture used to diagnose infectious diseases, as it is typically used to diagnose gastrointestinal disorders.

Enzyme-linked immunosorbent assay (ELISA) is the most common type of serology test used to diagnose infectious diseases, as it is simple to perform and can be used to detect a wide range of antibodies.

Magnetic resonance imaging (MRI) scan is not a common type of imaging used to diagnose infectious diseases, as it is typically used to diagnose structural abnormalities or injuries.

Blood is the most common type of specimen collected for the diagnosis of infectious diseases, as it can be used to detect a wide range of microorganisms.

Antifungal is not a common type of antibiotic used to treat infectious diseases, as it is typically used to treat fungal infections.

Acyclovir is the most common type of antiviral drug used to treat infectious diseases, as it is effective against a wide range of viruses.

Amphotericin B is not a common type of antifungal drug used to treat infectious diseases, as it is typically used to treat severe fungal infections.

Mebendazole is the most common type of antiparasitic drug used to treat infectious diseases, as it is effective against a wide range of parasites.

Toxoid vaccine is not a common type of vaccine used to prevent infectious diseases, as it is typically used to prevent tetanus and diphtheria.

Intravenous immunoglobulin (IVIG) is the most common type of immunoglobulin used to prevent infectious diseases, as it is effective against a wide range of pathogens.

Disinfection is not a common type of infection control measure, as it is typically used to clean surfaces and objects.

Passive surveillance is the most common type of surveillance used to monitor infectious diseases, as it relies on healthcare providers to report cases of infection.

Ecological study is not a common type of outbreak investigation, as it is typically used to study the relationship between environmental factors and disease.