Mechanisms of Resistance to Antiviral Agents
Bibliographic record
Abstract
Abstract Understanding the mechanisms of viral drug resistance is critical for clinical management of individuals receiving antiviral therapy, for developing new antiviral drugs, and for drug resistance surveillance. This chapter reviews the mechanisms of resistance to antiviral drugs used to treat infections by eight common viruses: herpes simplex, cytomegalovirus, varicella‐zoster virus, human immunodeficiency virus type 1, influenza A and B, hepatitis B, hepatitis C, and severe acute respiratory syndrome coronavirus 2. Drug‐resistant virus subpopulations may exist at low levels in clinical isolates or may arise only during drug exposure. The error‐prone polymerases in RNA viruses render the development of resistance more frequent than in DNA viruses. Drug‐resistant viruses are identified by in vitro passage experiments in which wild‐type viruses are cultured in increasing concentrations of an inhibitory drug and by ex vivo analysis of virus isolates obtained from individuals receiving antiviral therapy.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.005 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; both teacher heads agree on what is shown here.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".