WHO

The chair of the WHO's investigative group said that most scientific data supports the hypothesis that the new coronavirus jumped to humans from animals.

A memo to senior leaders at the agency tells them that all staff who work with the World Health Organization must immediately end collaborations and “await further guidance.”

The World Health Organization now confirms that many respiratory viruses are inhaled as airborne particles. The new framework implies that stopping transmission relies on costly measures like ventilation and masking.

In the first weeks of outbreak, the Chinese government froze meaningful efforts to trace the origins, despite publicly declaring it supported an open scientific inquiry, an AP investigation finds.

In 2022, there were about 1.25 billion tobacco users ages 15 and older, down from 1.36 billion in 2000. But countries around the world had set a bigger goal.

WHO chief Ttedros Adhanom Ghebreyesus says hospital admissions during the month jumped 42% in nearly 50 countries — mostly in Europe and the Americas — that shared such trend information.

The pandemic brought notable setbacks in the effort to eradicate tuberculosis, which is likely to regain its notorious title of deadliest infectious disease in 2023. But there are signs of progress.

New data from the World Health Organization and UNICEF show that the number of children getting vaccinated is rebounding globally.

The World Health Organization's International Agency for Research on Cancer has reclassified the sugar substitute as "possibly carcinogenic to humans."

Moderate consumption of aspartame is OK, scientists say. But heavy consumers may want to reduce their intake. The WHO says aspartame may "possibly" cause cancer. The FDA questions the evidence.