“Yesterday was the first time in so long I’ve actually exhaled. I’ve held strong for him for 14 months,” said Melissa Barnhill, Matthew’s mother. However, they said they were frustrated ...

Exhaled breath may be very promising alternative to blood for the therapeutic monitoring of antibiotics, the ESCMID Global Congress (formerly ECCMID) in Barcelona, Spain (27-30 April) will hear.

"Aerosols are small airborne particles, and exhaled aerosols from a single person can transmit COVID infection to others within a few minutes under normal indoor conditions," says Malin Alsved ...

Breathing out through the mouthpiece bubbles exhaled air through tube B. After a few breaths the limewater in tube B will turn cloudy as the exhaled air contains more carbon dioxide.