Flu activity is increasing across the country, according to the latest data from the Centers for Disease Control and Prevention.
New York City is seeing some of the highest levels of flu-like activity across the country. States including Alabama, Colorado, Connecticut, Hawaii, Louisiana, Maryland, Minnesota, New Hampshire, New Jersey, Ohio, Rhode Island, and Texas are seeing "moderate" activity of respiratory illnesses. All other states are seeing low or very low levels.
The CDC estimates that there have been at least 4.6 million illnesses, 49,000 hospitalizations, and 1,900 deaths from flu this season so far.
Flu cases are on the rise in the US. Here's what you need to know
The bulk of flu illnesses so far are being linked to the new variant known as subclade K, according to hundreds of samples sent to the CDC. Of just over 900 flu samples, roughly 90% were A(H3N2). Of those that had further genetic testing, nearly 90% belonged to subclade K.
