The phrase "against all classes of" is correct and usable in written English.
It can be used in contexts discussing opposition or resistance to various categories or groups, often in legal, social, or political discussions.
Example: "The new policy was designed to protect individuals against all classes of discrimination in the workplace."
Alternatives: "against all types of" or "against all categories of".
But finding broad-spectrum antibiotics that work against all classes of bacteria is challenging – and even if we discover new narrow-spectrum ones that work against particular strains, the likelihood of them becoming clinically available is slim.
Cases have been brought against all classes of society, from politburo members to hospitals employees.
Resistance is now common against all classes of antimalarial drugs save the artemisinins.
Against all classes of microorganisms, the four orders containing species with the highest average antimicrobial activities also contained several species with low activities against different pathogens and vice versa.
Cross species comparison of stress responsive transcriptome was carried out by searching each gene of unigene set against all classes of the stress responsive gene entries in the GO database.
Although its control is based on insecticides, B. tabaci has developed resistance against almost all classes of insecticides, including neonicotinoids.
Shapiro apologizes that her book "focuses almost exclusively on middle-class women," but there's no need for guilt -- the hegemony of Nescafé, Bisquick and Jell-O extended almost immediately to the blue-collar kitchen, and the reaction against it has benefited all classes of society.
Lead increased the response of the mice to all classes of viruses against which it was tested: an RNA picornavirus-encephalomyocarditis (EMCV), a DNA herpesvirus-pseudoribies, an RNA leukemia-virus-Rauscher leukemia (RLV), an RNA arbovirus B-St. Louis encephalitis, and an RNA arbovirus A-western encephalitis.
Straightforward fear adumbrates his invective, which — despite the reputation he would later earn as a rabid anti-Semite — is aimed against all classes and races of people with indiscriminate abandon.
Will Self also praised Céline's work as an "invective, which – despite the reputation he would later earn as a rabid antisemite – is aimed against all classes and races of people with indiscriminate abandon".
Nematode resistance against all three classes of broad-spectrum anthelmintic drugs is challenging conventional treatments (Molento, 2009).
