(chiefly of a drug or treatment) effective against viruses.
- ‘For infections caused by the chickenpox or herpes viruses, antiviral drugs may be prescribed if the infection is caught early.’
- ‘Ideally, patients should hold a stock of antiviral drugs for self treatment.’
- ‘Harms of antiviral treatment may include drug hypersensitivity and renal impairment.’
- ‘Specific antiviral treatment has been effective in improving the survival of the patients.’
- ‘An urgent need exists for effective antiviral drugs to prevent and treat SARS.’
(of software) designed to detect, remove, or offer protection against computer viruses.
- ‘Antiviral products cannot recognize and deter new viruses.’
- ‘Antiviral software cannot possibly keep up.’
- ‘Users are advised not to open suspicious attachments and to update their antiviral signatures to block the virus.’
- ‘Like the antiviral programs, they will always be reacting to the last exploit, not anticipating the next.’
- ‘Likewise your anti-viral and anti-malware programs will also download little updates on your behalf.’
An antiviral drug or medicine.
- ‘An antiviral is something one takes after you've already become sick.’
- ‘The beauty of EBM is that it ignores mechanisms and looks at the bottom line: does the antiviral reduce the duration of illness?’
- ‘And if it is, what they can do is that they they can't give you an antiviral for this.’
- ‘We were talking about it in our meeting this morning, the growing of a virus and trying to make an antiviral and all of that.’
- ‘Hence a natural anti-viral produced by a plant to defend itself can also be used by a human as an anti-viral.’