CNN  —  Welcome to winter virus season. Cases of acute respiratory illness, Covid-19 and seasonal flu are increasing in most parts of the United States, according to the US Centers for Disease Control and Prevention . Emergency department visits for flu and the respiratory syncytial virus, or RSV, are very high. While Covid-19 cases leading to emergency department visits are still low, they are increasing, with wastewater testing already revealing high coronavirus levels. How can you know which

Tag-uri: Coronavirus