21. Antiviral drugs were given but he died on 12 August due to pneumonia.22. Antibiotics have no effect on viruses, but several antiviral drugs have been developed. 23. A practical application of this dynamic is in antiviral drugs employing lethal mutagenesis. 24. In the following week, various antiviral drugs were being tested as possible treatments. 25. The antiviral drug Acyclovir can reduce length of duration and severity. 26. Painkillers and antiviral drugs are used to treat the disease and reduce its severity. 27. Antiviral drugs are a standard treatment, and therapy is successful about half the time.28. Knowledge of the effects of hemagglutinin mutations assists in the development of antiviral drugs . 29. Then someone mentioned an experimental antiviral drug that might help. 30. The efficiency of an antiviral drug is measured by the chemotherapeutic index, given by:
