The new virus from China has the world on edge because it’s a close cousin to viruses that killed hundreds in separate outbreaks. While it’s too early to tell if this latest threat will prove as ...

So far, there's no evidence of human-to-human transmission. Dozens of people in China have been sickened with pneumonia from an unknown source, according to the World Health Organization. WHO was ...

Five years after COVID-19 emerged, killing millions, costing trillions, and disrupting global life, we still don’t have a definitive answer as to the origins of the pandemic and the virus. This ...

In late June, the Scientific Advisory Group for the Origins of Novel Pathogens (SAGO), a group of independent experts convened by the World Health Organization (WHO), published an assessment of the ...

I was lucky — or unlucky — enough to have a front-row seat for one of the most surprising and frightening infectious disease outbreaks in recent history. I was working as a reporter in TIME’s Hong ...

China on Monday expanded sweeping efforts to contain a viral disease by extending the Lunar New Year holiday to keep the public at home and avoid spreading infection as the death toll rose to 81. Hong ...

In January 2003, epidemiologists in China identified two cases of "atypical pneumonia" in patients who had visited health care workers in Guangdong province. Teams initiated contact tracing and ...

The end of this year, December 31, 2025, will mark yet another anniversary of China’s first notification to the World Health Organization (WHO) about a mysterious pneumonia outbreak. As the sixth ...