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Why does Tamiflu not work on viruses other than the influenza viruses?
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What are the life processes of the flu?
The influenza virus is not living any more than other viruses. It has no life processes.
Why influenza A and influenza B cause epidemics but influenza C doesn't?
Influenza C viruses are also found in people. They are, however, milder than either type A or B. People generally do not become very ill from the influenza type C viruses. Type C flu viruses do not cause epidemics. Almost all adults have been infected with C but it just doesn't have the ability to cause epidemics and it doesn't fit the term epidemic.
What is the causative organism of seasonal influenza?
The common cold is an upper respiratory tract infection of viral origin, usually caused by a rhinovirus (up to 40% of colds), or by Coronaviruses (about 20%). These are the more common viruses, but there are more than 200 different viruses (some say as many as 700) that can cause the common cold. There are a huge number of different viruses from a number of different viral 'families' that cause cold symptoms. This is the main reason there is no vaccine for the common cold - there are simply too many different viruses to develop vaccines specific to each virus, and before a vaccine can be developed for a new viral mutation, it can mutate again.
What is influenza type b?
There are four types of influenza viruses: A, B, C and D. Human influenza A and B viruses cause seasonal epidemics of disease almost every winter in the United States. Influenza type C infections generally cause a mild respiratory illness and are not thought to cause epidemics. Influenza D viruses primarily affect cattle and are not known to infect or cause illness in people.A, B and C cause a severe upper respiratory infections. These are more than 'just a cold.'
What kingdom is influenza in?
Viruses are classified differently than living organisms, since they are not technically alive. In taxonomy, viruses are not assigned to a Domain, Kingdom, Phylum, Class, or Order. The influenza viruses start, in most classification systems, at the level of the Family. They are in the Family of Orthomyxoviridae. There are a few newer classification systems that have been developed to better categorize and classify viruses, but these are not yet the standard.
Is the influenza virus bigger than the red blood cell?
As far as biological viruses, the prion is smaller than a virus. It it a misfolded protein.
Is type A Influenza the same as H1N1 Swine Flu?
Swine Flu (and other H1N1 flu viruses) is a Type A influenza, but all Type A influenza viruses are not swine flu, or other H1N1 viruses. Swine flu is just one of many subtypes of Type A influenza. Swine Flu is caused by the Type A H1N1/09 Virus.
Why is influenza an active virus?
Because it spreads more quickly than a hidden virusBecause the influenza viruses begin affecting you as soon as you are infected and start reproducing as soon as they are in the target cells of your respiratory system. Active viruses do not invade and then remain dormant to produce new symptoms in the future (sometimes the distant future).
Does Tamiflu treat a sinus infection?
Yes it can. It is my understanding that Tamiflu is available only with a prescription (in the US). That means that in order to be taking it, you must have seen a medical doctor. It could be that you have an influenza infection that has also infected the sinus cavities. Your doctor is a much better source for health care information than strangers on the internet.
Why were viruses discovered later than other types of microorganisms?
why were viruses discovered later than other types of microorganisms.
Can viruses survive refrigeration and freezers?
Many, if not most types do. They are much less tolerant of heat than cold. For example, the common influenza viruses are destroyed by heat of 167-212°F [75-100°C]. Viruses are non-living organisms so they can tolerate colder temperatures than living organisms.
Are the bird flu and H1N1 the same?
Tamiflu is an anti-viral medication that can be prescribed for influenza and other viral infections. It is effective against swine flu and can be helpful to shorten the duration and reduce the severity of symptoms.
