At the end of each branch are tiny air sacs called alveoli. This is where oxygen goes into your blood and carbon dioxide comes out. COVID can infect the upper or lower part of your respiratory tract.

Circulation of respiratory viruses is normally highest in the fall and winter. For the purposes of reporting and comparisons over time and between viruses, the respiratory season typically runs from ...

MANILA, Philippines — “Superstar” Nora Aunor died of acute respiratory failure, her son, actor Ian de Leon, said. "Technically and clinically speaking, the cause of death was acute ...

Nora Aunor passed away from acute respiratory failure, according to her son Ian de Leon. This was disclosed by Ian in an interview with Vicky Morales and Mariz Umali on "24 Oras" Friday. "Technically ...

Here's what you need to know about these respiratory viruses and why protecting yourself with recommended vaccines is important to your health. Viral respiratory infections include the common cold ...

The flu is a contagious viral infection of the respiratory system that affects ... of the lungs occurs when the lung sacs, known as alveoli, fill with fluid and hinder breathing.

Hantavirus disease is spread by rodents, including deer mice, like the one pictured above. (Image credit: 6th Happiness, CC BY-SA 3.0, via Wikimedia Commons) Symptoms: Symptoms of HFRS usually ...

Ethris and Lonza agreed to collaborate on the development of room-temperature stable, spray-dried formulations of mRNA-based vaccine candidates, designed for mucosal delivery to combat respiratory ...

Lungs are part of the respiratory system ... Like tree branches, bronchioles divide into thousands of even smaller passages. At the end of each bronchiole is a cluster of little air sacs called ...