The new case, in a Michigan farmworker, did not suggest that bird flu was widespread in people, health officials said, adding that the risk to the general public remained low.

La labor de estos profesionales es clave para rastrear virus que se transmiten de animales a humanos. Una actividad importante para tomar medidas a tiempo y evitar que la enfermedad se propague por el planeta.

When a child in a small Cambodian town fell sick recently, his rapid decline set off a global disease surveillance system.

Tens of millions of farm animals cross state lines every year, traveling in cramped, stressful conditions that can facilitate the spread of disease.

The lake remains below healthy levels and experts warn the increase could reduce the pressure to conserve water.

An interview with America’s top public health official about new challenges and the recovery from the Covid-19 pandemic.