nonbacterial
adjective
non·bac·te·ri·al ˌnän-bak-ˈtir-ē-əl 
: not bacterial : not consisting of, resulting from, or caused by bacteria
nonbacterial gastroenteritis
Example Sentences
Recent Examples on the Web This effect has been observed for other viral diseases, such as influenza and nonbacterial pneumonia, and is clearly an important consideration, especially when so many people are encountering a novel virus for the first time as adults. 
Zeynep Tufekci, The Atlantic, 30 Mar. 2021 Doctors learned that the patient featured in the NEJM report had a type of endocarditis called nonbacterial thrombotic endocarditis. Maggie O'neill, Health.com, 13 June 2019
Zeynep Tufekci, The Atlantic, 30 Mar. 2021 Doctors learned that the patient featured in the NEJM report had a type of endocarditis called nonbacterial thrombotic endocarditis. Maggie O'neill, Health.com, 13 June 2019 Word History
First Known Use
1884, in the meaning defined above
Medical Definition
nonbacterial
adjective
non·bac·te·ri·al -bak-ˈtir-ē-əl
: not of, relating to, caused by, or being bacteria
nonbacterial pneumonia