No sense of taste is not necessarily caused by infection with the new coronavirus, but may also be caused by physiological degeneration, upper respiratory tract infections and so on.
1. Physiological changes: taste buds through the nerve fibers to transmit signals, so that our brain perceives the sense of taste, the number of taste buds in adults with age and gradually reduce, but also because of the degeneration of taste buds atrophy, the sensitivity of the taste material is also reduced, the decline in the sense of taste of the elderly is a normal physiological changes.
2. Upper respiratory tract infection: taste cells can also be infected by viruses or bacteria, edema, or even necrosis, shedding, resulting in loss of taste, loss of taste, most people’s loss of taste is only temporary.
In short, the lack of taste is not necessarily caused by the new crown virus, do not panic too much, if there is a history of exposure or history of living in high-risk areas, the loss of taste should be vigilant about infection with the new crown, to complete the new crown nucleic acid test in a timely manner.