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Viruses (biological)

A virus is a small infectious agent that can replicate only inside the living cells of organisms. Viruses display a wide diversity of shapes and sizes, called morphologies. Generally viruses are much smaller than bacteria. Most viruses that have been studied have a diameter between 10 and 300 nanometres.

Parker Braun asked in Health, Cold and Flu, Viruses (biological)

Why is the flu common in the winter, but less common in the summer?

In climates that experience winter, the influenza virus tends to survive longer and transmit itself better in cold and dry conditions, which leads to more people contracting the flu during those colder months. In climates that do not have a winter season, however, the flu is more common in periods of high humidity and lots of rain. Scientists aren’t sure why that is, but it doesn’t seem to have to do with the immune system...
Asked in Viruses (biological)

Do viruses have cell?

No they do not have. They have no cells
Asked in Viruses (biological)

What is a virus that repeats itself?

Virus cannot replicate it self. It should enter into a host
Asked in Health, Viruses (biological)

Why is a virus not consired a living cell?

Viruses are not referred alive because they lack many characteristics associated with living organisms. Viruses lack the ability to reproduce without the aid of another cell to infect. Furthermore, viruses don't divide or replicate like the typical cells. ...
Asked in Human Anatomy and Physiology, Viruses (biological)

What is the target organ of hbv?

The target organ of hepatitis B virus (HBV) is the liver.
Asked in Viruses (biological)

What is a non-cellular infectious agent?

A virus, a viroid or a prion
Asked in Viruses (biological)

Do virus have capsule?

yes because the are living
Asked in Pneumonia, Bacteria, Viruses (biological)

How you diagnose if it's viral or bacterial pneumonia?

A sputum culture will generally tell. Bacteria can be cultured, viruses can't. ...
Asked in Bacteria, Viruses (biological)

Can peroxide or rubbing alcohol kill fungi bacteria on the skin?

Yes they can be killed. But in enough concentrations.