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a virus is a nonliving particle that invades a cell and reporduses of the cell. then a few days later the cell explodes and viruses spred everywere.
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Why is a lytic infection given that name?
Lytic refers to lysis which means separate in Greek. When a virus has replicated in a cell, the new viruses made in the cell cause the cell to separate or split open so the virus particles can get out and infect more cells and make more viruses.
The virus that causes chicken pox contains DNA. It reproduces inside the cells of living organisms. The virus is not made of cells and does not eat or breathe. Why isn’t the virus considered to be a living thing?
it is not made of cells (A+)
What are Cells or human Cells considered to be made of?
Particles is the best I can come up with! Everything is made up of particles
What happens at the end of lytic cycle?
The last step in the lytic cycle is that new viruses begin to be made
What atomic particles occupy the nucleus of an atom?
It is made of positively charged particles called protons (p+) and particles that have no charge, called neutrons (n0)
Some viral infections may be prevented by which is made up of dead or weakened virus or virus particles.?
Vaccine.
What is a solution made from weakened virus particles that prevents viral disease?
vaccine
How does a vaccination prevent infection?
The vaccine is made of weakened virus particles. This causes your body to produce interferon to fight an infection. :-)
What are vaccines for influenza made from parts or products of a virus dead whole viruses antibodies to the virus weakened viruses?
What are vaccines for influenza made from?parts or products of a virusdead, whole virusesantibodies to the virusweakened viruses
When you get a vaccine can you get the virus?
There are a few circumstances that can create some risk of getting the virus, such as in people whose immune systems aren't working right (e.g., they recently had cancer chemotherapy or HIV or some other immuno-suppressive disorder). See the list of people in the related question below who should not get vaccinated with the types of vaccines that contain a live "attenuated" virus. Attenuated means weakened. When someone has a weak immune system, they may be susceptible to the weakened form of virus in the vaccine. But they would not be able to be sick from getting vaccines that contain "dead" viruses. With the flu vaccines, for example, the shots have dead viruses in them but the nasal mist has live attenuated viruses in it.Sometimes. If the vaccine is a live attenuated (weakened) vaccine, then you get a dose of virions (viral particles/viruses) that are no longer dangerous to humans as they have been weakened so they can not make you sick. Other vaccines (such as Gardasil) are made with Virus-like particles (VLP) and these are just pieces of the virus (such as the envelope) not actually working and replicating viruses so they can not make you sick either.
What is a killed virus vaccines?
Cholera Vaccine. Flu vaccines formulated for injection use inert/inactive virus particles ("dead"), while flu vaccines for nasal mist are made as a LAIV (live attenuated influenza vaccine), which means they are "alive" but weakened chemically to prevent them from being able to cause illness.
Can one get shed virus from someone who just got a flu shot through bodily fluids sweat blood etc?
If they do not have the flu themselves, then no, you will not have virus to shed and no one with a healthy immune system can get the flu from someone because they just had a shot. The virus that is put into the vaccines is either totally inactivated ("dead") or it is weakened by a chemical process so that it can not give someone the flu. The 2009 Swine Flu vaccine is made from "dead" viruses for the shots and weakened viruses for the nasal spray.The only close precaution to this is that when someone gets the nasal spray vaccine that is made from weakened instead of "dead" virus, it is best that they not be physically too close immediately after the nasal spray is administered to someone who is immuno-compromised, such as the children in isolation "bubbles" or those on immuno-suppressant medications after organ transplants. It is unlikely, but possible that they might become ill from the weakened virus.
What are vacines made of?
Some are made of the dead virus
Is the injected vaccine for swine flu live?
No, in the US the injection forms of the vaccines are made from inactivated "dead" virus. The nasal spray vaccine contains weakened virus that can not make you get the flu but is called a Live Attenuated Influenza Vaccine (LAIV). There is a new form of injected vaccine for the flu in the 2011-2012 flu season in the US that is intradermal instead of the intramuscular route, it also contains inactivated virus particles. See the related question below.
Can you catch the Swine Flu from a child who has had the Swine Flu mist?
The mist form of the H1N1/09 vaccine (or any intra-nasal flu vaccine) is made with "live" virus particles. They are weakened so that they can not make a person with an otherwise healthy immune system sick. If a person with HIV/AIDS or other immune system disorder, or who is on medicines that affect their immune system responses (chemotherapy for cancer, etc.), comes in contact with the live virus by being in close proximity to the child or adult immediately following their vaccination with the mist form of vaccine, then it is possible that they could be infected if one of the particles of weakened virus is shed by the one vaccinated. The person who has a compromised immune system would and have no defenses against the virus. It is recommended that anyone who lives with or cares for a person who has an immune system disorder get the injectible form of vaccine, which is made with totally "dead" virus particles and can not impact even a person with immune system problems. See the related questions below for more information on this subject.
Can virus be made into crystal?
The virions (ie. virus particles outside the host cell) can be crystallized, yes.
Are the microbes that are injected in a vaccination dead or alive?
They can be either. Some vaccines are made with dead viruses or particles of viruses and other vaccines are made with attenuated (weakened) viruses that are not able to make an otherwise healthy person sick. In 2009 the swine flu vaccine approved for use in the US was prepared both ways, the nasal flu vaccine was made from attenuated viruses and the shots were made with dead viruses.
