News & Perspective

Editor's note: The item on the Salmonella outbreak was revised Feb 19 to correct information on case numbers for specific states.

(CIDRAP News) – At an Infectious Diseases Society of America (IDSA) symposium in Washington, DC, today on seasonal and pandemic influenza, a group of experts fielded questions from reporters on some of the new trends and emerging issues, including prepandemic strategies for H5N1 avian influenza vaccines, now that some countries are stockpiling them.

(CIDRAP News) – The US Centers for Disease Control and Prevention (CDC) said today that most circulating influenza B viruses tested so far this season don't match this year's vaccine, signaling that two of the three vaccine components are off-target.

(CIDRAP News) – As seasonal influenza makes its annual march across the country, surveillance data from the US Centers for Disease Control and Prevention (CDC) reveals that 23% of the viruses that have been identified belong to a strain that is not included in this season's vaccine.