Hemagglutinating Virus of Japan (HVJ) is a type of virus that infects mammalian cells. It is not an easy task to find antonyms for the term as it is a scientific name. However, considering the context of the term, some contrasting words can be utilized. Antonyms for the word "virus" may include healthy, lively, and vigorous. Similarly, antonyms for "jaundice" can be bright, clear, and pure. Overall, antonyms for the Hemagglutinating Virus of Japan can be related to health, life, and vitality, as it is a viral disease that can cause harm to the body.