Health officials are encouraging people to use bug spray and mosquito-control efforts as West Nile virus season is off to its earliest and worst start in over two decades. The Centers for Disease Control and Prevention said Wednesday that it had confirmed at least 48 cases — 38 of them severe — as of June 30.

Federal health officials are monitoring a growing number of cyclosporiasis cases this summer, with 145 infections reported across 17 states as of mid-June 2026.

New York has been the hardest hit, with 31 to 80 people sickened there since the outbreak began, according to Nexstar’s WPIX. Other states linked to the outbreak include Alaska,

A record number of West Nile virus cases have been recorded for this time of year, the Centers for Disease Control and Prevention (CDC) warned on Wednesday ahead of the upcoming holiday weekend. At least 48 cases of West Nile have been reported so far this year compared to an average of 10 typically by the end of June.

The parasite, Cyclospora, which commonly triggers watery diarrhea and other gastrointestinal symptoms, has infected more than 140 people across multiple states.

The study found that the vaccine reduced the risk of emergency department visits and hospitalizations among healthy adults by about half last winter.

A study on COVID-19 vaccine effectiveness has been published after being blocked from a government health journal.

William Thompson made demands of and criticized CDC leadership

NAIROBI, July 1 (Reuters) - Ugandan health authorities have confirmed an isolated case of Marburg virus disease, a highly infectious hemorrhagic fever, while conducting surveillance for an Ebola outbreak,