Diseases, Conditions, Syndromes

Why males may have a worse response to COVID-19

If you ask most women about how their male relatives, partners and friends respond to being sick, they'll often tell you with an accompanying eye roll, "He's such a baby." "He's extra whiny." Or "he exaggerates so much." ...

Vaccination

2018 to 2019 vaccine cut influenza A-linked hospitalizations

(HealthDay)—The 2018 to 2019 influenza vaccine effectiveness (VE) was about 40 to 60 percent for reducing pediatric influenza A-associated hospitalizations and emergency department visits, according to a study published ...

Diseases, Conditions, Syndromes

Q&A: How to tell the flu from COVID-19

With the advent of fall comes the flu season—and the potential for it to make the rounds in the midst of the current pandemic. But how do you differentiate between the flu, caused by the influenza virus, and COVID-19? And ...

Diseases, Conditions, Syndromes

Study finds no link between influenza vaccine and COVID-19 risk

A new Cleveland Clinic study has found that receiving the influenza vaccine does not increase a person's risk for contracting COVID-19 or worsen associated morbidity or mortality. Published in the Journal of Clinical and ...

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Orthomyxoviridae

Influenzavirus A Influenzavirus B Influenzavirus C Isavirus Thogotovirus

The Orthomyxoviridae (orthos, Greek for "straight"; myxa, Greek for "mucus") are a family of RNA viruses that includes five genera: Influenzavirus A, Influenzavirus B, Influenzavirus C, Isavirus and Thogotovirus. The first three genera contain viruses that cause influenza in vertebrates, including birds (see also avian influenza), humans, and other mammals. Isaviruses infect salmon; thogotoviruses infect vertebrates and invertebrates, such as mosquitoes and sea lice.

The three genera of Influenzavirus, which are identified by antigenic differences in their nucleoprotein and matrix protein infect vertebrates as follows:

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