If it seems like everybody you know has or has had the flu recently, you’re not too far wrong. The CDC confirms that flu activity is currently widespread in most of the U.S. Flu viruses are constantly changing so it’s not unusual for new flu viruses to appear each year, which keeps the CDC busy trying to anticipate the types of vaccinations that will be needed and make sure they are in sufficient supply.

Up to 650,000 deaths annually are associated with respiratory diseases from seasonal influenza, according to new estimates by the United States Centers for Disease Control and Prevention (CDC), WHO and global health partners.

Adults with asthma are at increased risk for pneumococcal disease, yet according to a new CDC study published in the American Journal of Preventive Medicine, just 54 percent of adults with work-related asthma—asthma triggered by an exposure at work—have been vaccinated against the infection.