Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Bird influenza viruses, such as H5N1, use a version called a2,3-linked sialic acid, while human flu viruses use a2,6-linked sialic acid - the predominant variant in the human upper respiratory tract.
Bird influenza viruses, such as H5N1, use a version called a2,3-linked sialic acid, while human flu viruses use a2,6-linked sialic acid - the predominant variant in the human upper respiratory tract.