How do different subtypes of influenza A virus vary in their pathogenicity and transmissibility?

May 3, 2022 ... ... cause dull pain and discomfort everywhere. The good news ... What causes body aches when you're sick? When you have the flu, a common cold ... Influenza D virus can infect humans but is not known to cause illness. In humans, influenza viruses are primarily transmitted through respiratory droplets from ... Symptoms of the common cold caused by the rhinovirus include sore throat, runny nose, coughing, sneezing, watery eyes, headaches, and body aches. The flu is an infection of the nose, throat, and lungs. It spreads easily from person to person. This article discusses influenza types A and B. In this section · What is Influenza? · Influenza Symptoms · What Causes Influenza? · Influenza Testing and Diagnosis · Influenza Treatment ... Sep 14, 2023 ... Only influenza virus types A, B, and C cause the flu. Type A and B viruses cause the large seasonal outbreaks. Type C usually causes milder respiratory ... It's caused by a virus that spreads easily from person to person. Flu viruses usually cause the most illness during the colder months of the year. In the United ... Viral gastroenteritis is not harmful. However, viral gastroenteritis can become dangerous if it leads to dehydration. Jun 1, 2007 ... Different patterns of influenza incidence in a total population, caused by different patterns of social interaction among four etiologically distinct age ... Jun 7, 2024 ... Influenza is a common cause of pneumonia, especially among younger children, the elderly, pregnant women, or those with certain chronic health conditions.