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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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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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