Cold & Flu Archive

A novel coronavirus outbreak in Wuhan, China, has grown quickly since late December. This primer on what we do –– and don’t –– know can help if you’re concerned about this rapidly evolving public health issue.

Ask the doctors

Q. My mother is in her late 80s. She received the flu vaccine this year, but I heard that it won't be as effective because of her age. Is this true?

A. The flu vaccine can be less effective in elderly adults. That's because the flu vaccine works by priming the body's own immune system to mount a response to the virus if it's encountered. Older adults may have weaker immune systems, and therefore a weaker immune response to the vaccine.

This year’s flu season may be severe. Almost everyone should get vaccinated, but which vaccine might be best for you? And how else can you avoid the flu?

The FDA has approved a new medication for the treatment of chronic rhinosinusitis with nasal polyps, dupilumab, which is given by injection biweekly.

If you hear your child start coughing, it's natural to wonder: could this be the flu, or is it another virus like COVID or RSV, or even a common cold? Here's what to know about similarities between these illnesses and what to do if your child does have the flu.

This winter flu activity has been higher than usual across the United States. If you have not gotten a flu shot yet, it’s not too late; some protection is better than none, plus there are other steps you can take to protect yourself and those around you.

If you have not yet gotten a flu shot, the CDC has issued an advisory for this season that may make you reconsider. The severity of the virus is stronger this year, and while the vaccine may not be as effective as in years past, some protection is better than none.

If you are planning to get a flu shot but have not yet done so, it may be worth waiting a little longer, as data on patients from four recent flu seasons found that protection against the virus declined over the course of the winter.