N

Natural compounds

A natural compound is a substance produced by bacteria, animals, fungi or plants that fulfills a biological function.

Natural killer cells

Natural killer cells are lymphocytes belonging to the innate part of the immune system, that directly kill virus infected cells and tumor cells.

Neglected Tropical Diseases

Neglected Tropical Diseases are a group of poverty-related communicable diseases that occur in tropical and subtropical countries.

Norovirus

Noroviruses are single-stranded RNA viruses. The pathogens, which occur worldwide, are highly contagious. They are usually transmitted from person to person by smear infection and mainly cause gastrointestinal illnesses.

Nucleocapsid

A nucleocapsid is a viral structure unit composed of nucleic acids and attached proteins.
P

Parasites

Parasites are organisms existing in or on another living thing from which they obtain nutrients and which they cause harm.

Pathoblocker

Pathoblockers weaken bacteria and inhibit their pathogenic effects. They might be used in the future as an alternative to antibiotics or as a supplement to support the efficacy of antibiotics that by themselves have become ineffective.

Pathogen

Pathogens are microorganisms, viruses, toxins and ionizing radiation that can cause disease. They are pathogenic organisms and substances, respectively.

PCR

Using PCR, DNA can be amplified in vitro, that is outside of a living organism.

Persistence

In infection biology, persistence refers to a pathogen being able to survive in a patient’s body.