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Written by Administrator
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Tuesday, 12 May 2009 10:08 |
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Malaria is a world wide public health issue. It is an infectious disease transmitted by the bite of the female anopheles mosquito. It is caused by the protozoan parasite called Plasmodium. Very simply put, the mosquito transmits malaria sporozoites into the bloodstream. These first infect the liver cells. Here the sporozoites multiply for a few days and then tens of thousands of merozoites are released into the blood stream where they target the red blood cells. This cycle continues and gives rise to symptoms of malaria. Malaria typically involves chills, fever, nausea, and even comatose state and death. Malaria has been affecting humans for thousands of years. In fact, it was as early as 1880 when the parasite responsible for malaria was identified. Each year, about 1-3 million deaths, and nearly 400-900 million cases of fever due to malaria are identified. Malaria is now considered to be an endemic and nearly 85-90% of deaths due to malaria occur in Africa. In this situation, a malaria vaccination would seem to be the best way to protect a large number of people against malaria. However, till date a malaria vaccination has not been developed successfully though several malaria vaccinations are being tested |
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Last Updated on Tuesday, 12 May 2009 10:08 |
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Written by Administrator
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Sunday, 10 May 2009 22:35 |
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Ever since the first vaccination was developed in the 18th century, the medical field has not been the same. From dreading diseases and infections, suddenly there was a way to control them and fight them. Vaccinations took time to be accepted, but eventually with techniques improving and the understanding of sanitation and hygiene increasing, vaccinations came to be an accepted part of our lives. In 1977, small pox was the first human disease to have been successfully eradicated. This was possible mainly through a world wide campaign using small pox vaccines. From small pox it was a small step to other diseases like polio, measles, mumps, whooping cough etc. Today, more and more vaccines are being developed for more diseases. We now have vaccines for herpes, hepatitis A and B, influenza etc. However, even though vaccinations have been widely accepted, there has been growing concern about their increasing use. A large group of people are growing loud in their complaints and dissatisfaction about vaccinations. There is an increasing alarm about vaccination dangers. It is claimed that vaccines aren't as safe and effective as they are generally touted to be. Everyone accepts without question the temporary side effects that vaccinations have. |
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Last Updated on Sunday, 10 May 2009 22:35 |
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Written by Administrator
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Friday, 08 May 2009 16:14 |
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MMR is a universally accepted abbreviation for Measles-Mumps-Rubella. Each of these is a serious disease by itself, and was considered to be common diseases of childhood till the 1970's. All three diseases are caused by viruses. Measles results in a rash all over the body accompanied by fever. It can also lead to pneumonia, brain damage and death. Mumps is mainly a swelling of the glands and can lead to damage in the brain and spinal cord, and in adult males, a complication is sterility. Rubella (also known as German measles) also results in a rash and fever but also leads to arthritis. All three diseases are highly contagious and spread very quickly especially amongst children. The best way of protecting children (and adults) from measles, mumps and rubella is the MMR vaccination. This vaccination has been in use for 30 years and more, and more than 500 million vaccinations have been administered. Although the MMR vaccination is accepted by almost all countries in the world, it is marketed under different names such as M-M-R II, Priorix, Tresivac, etc. The MMR vaccination is a combination vaccination that protects against measles-mumps-rubella. The MMR vaccination contains attenuated viruses of all three disease |
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Last Updated on Friday, 08 May 2009 16:14 |
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