For the week ending December 6, the first full week after the Thanksgiving holiday, the proportion of doctor’s visits for symptoms including fever plus a cough or sore throat rose to 3.2 per cent, according to the US Centers for Disease Control and Prevention. The CDC says at least 14 public health jurisdictions are showing moderate to high flu activity, mostly concentrated in the Northeast, including New York City, where activity is very high; New York and New Jersey, where it’s high; and Connecticut, Massachusetts and Rhode Island, which are in the moderate category. Flu activity is also high in Louisiana and Colorado.
