What do flu viruses look like?

What do flu viruses look like?

What do flu viruses look like?

Influenza virus has a rounded shape (although it can be elongated or irregularly shaped) and has a layer of spikes on the outside. There are two different kinds of spikes, each made of a different protein – one is the hemagglutinin (HA) protein and the other is the neuraminidase (NA) protein.

What are the 4 flu viruses?

There are four types of influenza viruses: A, B, C and D. Human influenza A and B viruses cause seasonal epidemics of disease (known as flu season) almost every winter in the United States.

What are the 3 flu viruses?

There are three kinds of influenza: A, B, and C. Influenza B and C aren’t much to worry about, at most causing minor illness. The influenza A viruses, by contrast, are highly variable and so have the potential to outwit the human immune system and cause a pandemic.

What are the 3 different types of flu viruses and how are they different?

There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu; however, type C flu symptoms are much less severe.

What does the flu bacteria look like?

The structure of the influenza virus (see Figure 1) is somewhat variable, but the virion particles are usually spherical or ovoid in shape and 80 to 120 nanometers in diameter. Sometimes filamentous forms of the virus occur as well, and are more common among some influenza strains than others.

Can antibiotics be used against viruses?

Antibiotics DO NOT work on viruses, such as those that cause colds, flu, or COVID-19. Antibiotics also are not needed for many sinus infections and some ear infections.

What color is influenza virus?

The virus’ hemagglutinin (HA) and neuraminidase (NA) surface proteins are displayed in semi-transparent blue sticking out of the surface of the virus.

How many viruses are in the air we breathe?

Based on their collection, they came up with the following estimates… **In each cubic meter of air, there are between 1.6 million and 40 million viruses. **In each cubic meter of air, there are between 860,000 and 11 million bacteria. Given that we breathe roughly .