Vaccine makes war on sperm-making protein
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A contraceptive vaccine for men that temporarily blocks male fertility has come a step closer with a study showing it is possible to inoculate monkeys against their own sperm.
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This year&#39;s shortage of vaccine starkly highlights the need for new, faster ways to produce vaccines and for incentives that will encourage more production.
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Sperm could help explain how diseases like cancer and HIV spread through the body, a study  suggests.
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Scientists are working on a contraceptive treatment which would stop men producing sperm.
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A new vaccine aimed at halting the  spread of a common sexually transmitted virus that can lead to  cervical cancer should eventually be given to both sexes,  doctors said on Monday.
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Scientists in Hong Kong and China have identified for the first time a protein in sperm from humans and from mice that could be responsible for many unexplained cases of male infertility.
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Research into a chemical found in the immune sytem shows that male infertility could one day be an easy home diagnosis
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Men could one day use a contraceptive which uses the body&#39;s immune system to prevent conception, say researchers. Scientists, from the University of North Carolina, immunised male monkeys with a protein found in the testes which made them infertile.
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Scientists find a way to make cells effectively immune to flu and other viruses.
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A Merck vaccine, which makes people immune to a common sexually transmitted virus (human papilloma virus - HPV) which causes cervical cancer, seems to continue offering protection from cervical cancer two years after preliminary testing, say scientists at
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Researchers and the medical community alike are excited by a new cervical cancer vaccine. It&#39;s been found to be 100 per cent effective in clinical trials -- the first vaccine ever to prevent a cancer.
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Clinical trials of an experimental vaccine developed to protect women against a virus that causes cervical cancer have yielded promising results, according to reports.
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Researchers are drawing closer to creating a vaccine that would prevent certain viral infections known to cause cervical cancer, a disease that strikes about 15,000 women in the United States each year and kills 5,000, according to the Associated Press.
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Scientists are one step closer to a vaccine against one of the world&#39;s most devastating diseases. Malaria causes more than 300 million cases of illness and claims at least a million lives every year.
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WASHINGTON - A vaccine may work to protect women against a virus that causes most cervical cancer cases, US researchers say. So far the vaccine seemed to have protected women from precancerous changes for three years, said the team at Merck and Co.
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Immunising male monkeys with a protein found in the testes made them infertile, researchers find.
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Doctors hope the new vaccine against human papillomavirus will be able to prevent a less well-known disease in gay men, anal cancer.