COVID-19 will disrupt US for years, Ex-WHO doctor Larry Brilliant says 2020-08-05 Leave a Comment on COVID-19 will disrupt US for years, Ex-WHO doctor Larry Brilliant says Larry Brilliant, an ex-WHO doctor whose team helped eradicate smallpox, predicts the U.S. could battle COVID-19 for the next 3 to 4 years. Source: COVID-19 will disrupt US for years, Ex-WHO doctor Larry Brilliant says