Post-covid parosmia is a common disorder that is not usually given the relevance it deserves. It appears when in some people certain odors that are considered normal begin to smell or taste unpleasant.
Covid affects the sense of smell because SARS-CoV-2, like other respiratory viruses, can alter the olfactory nerve that is in direct contact with the upper respiratory tract (nose and throat) A new therapy to recover your sense of sense is being developed by otorhinolaryngologists.