What was its cause? Theories included "fomites" — contaminated objects like clothing and bedding from yellow fever patients — and airborne particles. It took a group of scientists in Cuba at ...

On Monday, Louisiana health officials announced that a person hospitalized last month with a severe case of avian influenza — also known as H5N1 bird flu — died. This is the first human death from ...

Health experts warned about the hazards of inhaling yellow sand particles that continued to spread across wide areas of Japan on April 12. They advised people, especially those with respiratory ...

Seasonal yellow dust is expected to arrive in western ... The JMA said the fine dust particles will likely reach the Tohoku and Hokkaido regions after the evening. The agency is warning that ...