Common SymptomsCommon symptoms of COVID-19 include:Inform close contacts if you test positive so they can monitor their health. ProtectingHigh-RiskIndividualsOlder adults, pregnant women, and people with diabetes, hypertension, heart disease, chronic kidney disease, chronic lung disease, cancer, or weakenedimmunityareathigherrisk of severe COVID-19. Avoid visiting vulnerable individuals if you have symptoms or have recently been exposed to COVID-19. Ensure chronic medical conditions remain well controlled through regular medical follow-up. Another concern is that continued transmission provides the virus with opportunities to mutate, potentially leading to new variants.