Parosmia 是一个术语，用于描述任何类型的嗅觉扭曲——与嗅觉不同, 一个人失去嗅觉的术语.
对于海顿, 24, 它始于嗅觉丧失. She believes she contracted COVID-19 in June of 2021, though she tested negative for the virus. She had mild cold-like symptoms and lost her sense of taste and smell, as many COVID patients do. The anosmia lasted for several weeks before about 70% 至 80% of her taste and smell senses returned.