Suppose it's all about perspective....
disinfectant
[ˌdisənˈfektənt]
NOUN
a chemical liquid that destroys bacteria.
"all surfaces are cleaned manually or by pressure washer with disinfectant" · [more]
synonyms:
bactericide · germicide · antiseptic · sterilizer · sanitizer · cleaning agent · cleansing agent · cleanser · decontaminant · fumigant
ADJECTIVE
causing the destruction of bacteria.
"cleansing and disinfectant products"
synonyms:
germicidal · bactericidal · medicated
Depending on the type of disinfectant, they can kill viruses prior to their infecting a host. Bleach is still one of the most common and available disinfectants that kills the broadest range of viruses, including hepatitis C which is resistant to many other disinfectants.
Antibiotics do not work on viruses, such as those that cause colds, flu, bronchitis, or runny noses, even if the mucus is thick, yellow, or green. Antibiotics are only needed for treating certain infections caused by bacteria.