Respiratory illnesses continue to increase across the nation, resulting in rising hospitalizations. Effective 1/12/2024, mandatory masking will resume for patients, visitors and employees in all Johns Hopkins Medicine locations in the state of Maryland. Masking is required regardless of vaccination status. Read more.
Colds, flus and other respiratory illnesses are more common in winter months. See what you know about the viruses, symptoms, populations most at risk and care advice with this quiz.