#virus mutation
- Antigenic — Relating to antigens or possessing the property to act as an antigen; characterized by the capacity to stimulate a specific immune response. In modern virology, it describes viral genetic mutations (such as antigenic drift or shift) allowing pathogens to evade host antibodies.
- Anti-flu — Preventing, combating, alleviating, or treating influenza and its clinical manifestations; a medicinal or biological preparation (vaccine) designed to neutralize influenza viruses or reduce associated symptoms. Antiflu medications include specific antivirales and symptomatic mixtures.