Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died. Here are the symptoms.

A CDC official, John Nkengasong, MSc, PhD, sent a memo to senior leaders at the agency on Sunday night telling them that all staff who work with the WHO must immediately stop thei

Meanwhile, the Trump Administration has ordered the CDC among other health organizations to pause external communication at least until the end of the month.

NWS Los Angeles Meteorologist-in-Charge Ariel Cohen joins FOX Weather to talk about the recent impacts of rainfall in areas of Southern California burned by recent wildfires.

The flu vaccine is generally about 40% effective at completely preventing influenza, according to Blumberg. The flu vaccine protects against three strains of influenza, including two influenza A strains. It also protects against influenza B, which typically shows up later in the season, Blumberg said.

CDC confirmed a new human case of H5N1 in California. The recent case involves a child from San Francisco. CDC data reveals that California has been the worst affected by the ongoing bird flu outbreak with 38 of the total cases reported.

Experts said the sudden stoppage was a surprise and would set back work on investigating and trying to stop outbreaks and brewing global threats.

The Centers for Disease Control and Prevention abruptly ordered its staff to cease all collaboration with the World Health Organization on Monday, marking a dramatic acceleration of President Donald Trump's executive order to withdraw from the global health body.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human cases and the first human death.

A Centers for Disease Control and Prevention communication delay could hinder coordinating responses at the state and local levels.

US public health officials have been told to stop working with the World Health Organisation, effective immediately.