Wiktionary (0.00 / 0 votes) Rate this definition: tikka (Noun). A marinade made from various aromatic spices and lentils (dahl); often used in Indian cuisine prior to grilling in a tandoor.Origin: From à¤à¤¿à¤à¥à¤à¤¾.iktionary (0.00 / 0 votes) Rate this definition: tikka (Noun). A marinade made from various aromatic spices and lentils (dahl); often used in Indian cuisine prior to grilling in a tandoor. Origin: From à¤à¤¿à¤à¥à¤à¤¾.
Flu (influenza). Flu is usually infectious a day before symptoms start and remains infectious for about five to six days. Children and people with lowered immune systems may be infectious for a few days longer.
INFECTIOUS AGENT. Influenza is caused by infection of the respiratory tract with influenza viruses, which are classified into 3 types: A, B, and C. Only virus types A and B commonly cause illness in humans. Influenza A viruses are further classified into subtypes based on 2 surface proteins, hemagglutinin (H) and neuraminidase (N).