There are four different types of human parainfluenza viruses: HPIV-1, HPIV-2, HPIV-3, and HPIV-4. They can each cause respiratory infections and illnesses. Croup .

Parainfluenza and influenza (the flu) are not related conditions, despite their similar names. Parainfluenza is caused by an entirely different virus, known as the human parainfluenza virus (HPIV).

Human parainfluenza virus (HPIV) causes respiratory illnesses, leading to cold-like symptoms like a cough and runny nose in most people. The virus may cause additional symptoms in older people, ...

Scientists have discovered that H5N1, the strain of highly pathogenic avian influenza virus currently spreading in U.S. dairy cows, only needs a single mutation to readily latch on to human cells ...

To date, there have not been any reported robust small-animal models of human parainfluenza virus type 3 (HPIV-3) infection. Researchers from Katholieke Universiteit Leuven and affiliated ...