Coronavirus interdiction sign over blue sky

Azure Empyrean Firmament Heavens Lid Vault Welkin Even Flush Level Parallel Plane Regular Smooth Straight Uniform Crisis Emergency Exposure Insecurity Instability Jeopardy Menace Peril Pitfall Possibility Probability Risk Threat Uncertainty Vulnerability Clouds Dynamite Endangerment Exigency Precariousness Precipice Slipperiness Storm Venture Clue Flag Gesture Harbinger Hint Light Manifestation Note Prediction Proof Signal Suggestion Symbol Symptom Trace Warning Wave Assurance Augury Auspice Badge Beacon Bell Caution Divination Flash Foreboding Foreknowledge Foreshadowing Foretoken Forewarning Giveaway Herald Mark Nod Omen Portent Precursor Premonition Presage Presentiment Prognostic Token Vestige Whistle Wink Antibiotic Cure Drug Medication Pharmaceutical Pill Prescription Remedy Anesthetic Antidote Antiseptic Antitoxin Balm Capsule Dose Elixir Injection Inoculation Liniment Lotion Medicament Ointment Physic Potion Salve Sedative Serum Tablet Tincture Tonic Vaccination Vaccine Ailment Disease Germ Illness Infection Microbe Microorganism Pathogen Sickness Bacillus Ominous Admonishing Cautioning Threatening Accurate Attentive Choosy Circumspect Concerned Conscientious Deliberate Discreet Judicious Leery Meticulous Mindful Precise Prudent Rigorous Scrupulous Sober Thorough Thoughtful Vigilant Wary Detail-oriented Breakdown Collapse Disability Disorder Disturbance Flu Ill health Malady Relapse Seizure Syndrome Virus Affliction Attack Bug Complaint Confinement Convalescence Fit Indisposition Infirmity Malaise Prostration