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Tag: "virus" at medical news

Scientists Identify Previously Undetected Drug-resistant Forms of HIV

...le drug-resistant forms of human immunodeficiency virus (HIV). Dr. Michael Kozal, Associate Professor at the Yale School of Medicine, says that an innovative genome sequencing technology that quickly detects rare viral mutations was used during the study. We found that the fraction of HIV patients tha...

Singapore's HIV/AIDS Cases Rise by Record Levels in 2006

...to test themselves for HIV," it said. HIV is the virus that causes deadly Acquired Immune Deficiency Syndrome (AIDS), which is transmitted largely through unprotected sex and sharing intravenous needles. There is no cure for AIDS. It breaks down a person's immune system, rendering them vulnerable to infe...

Vietnam Bird Flu Death a Call for Action, Say Experts

... growing complacency among farmers in fighting the virus that remains endemic in the country, experts said ...re people are known to have been infected with the virus since last month. The country's first bird flu death since October 2005 comes as avian influenza h...

Memory T Cells Protect the Body from Viruses

...re a major fight against the spread of an invading virus occurs. After becoming sick from many viruses, t...hocytes that specifically attack and eliminate the virus at the time of infection. After the infection subsides, most of the lymphocytes die but some remai...

Genetic Variations Leads to Fever After Smallpox Vaccination

...ne. It is made with a live but weakened vaccinia virus that provides immunity against smallpox but which can cause complications ranging from fever and fatigue to more serious illness. About 15 percent of those being vaccinated for smallpox for the first time develop a fever over 99 degrees. Fevers rel...

Autism Case Hearing Still to Produce Clinching Evidence on Vaccine Linkage

...m and prevented her body from clearing the measles virus after she was immunized for the disease at age 15 ... shifted to the theory that the attenuated measles virus had created a persistent infection in her gut, causing a severe inflammation that resulted in brain ...

Body's Defence Mechanism Against Viral Disease Discovered

...re a major fight against the spread of an invading virus occurs. Lead author of the study, Dr. Luis J. Si...hocytes that specifically attack and eliminate the virus at the time of infection. Most of the lymphocytes die after the infection subsides, but some remain ...

Cervical Cancer Vaccine for the 12 Year Old

...tion want the vaccination against human papilloma virus (HPV) to be done for secondary school first year. ...cer. This vaccine is 99% effective against the two virus strains that cause most cervical cancers. It is also effective against another pair of virus strains...

Ramadoss to Discuss Chikungunya With Health Ministers of Nine States Tomorrow

...icts of Pathanamthitta and Kottayam. Chikungunya virus is spread through mosquito-bite and causes a non-fatal self-limiting illness, marked by high fever, headache, severe joint pain, rashes and nausea. The disease broke out after the southwest monsoon hit Kerala coast early this month. The disease h...

Girls Could Be Vaccinated Against Cervical Cancer in Britain

...e of vaccines to guard against the human papilloma virus (HPV), a sexually transmitted infection which causes most cases of cervical cancer. The Department of Health said it had agreed "in principle" to accept the body's advice, but would wait for an independent review of the costs to the National Health...

Male Circumcision Overstated as Deterrent to Global AIDS Pandemic

...nities are typically very highly infected with the virus themselves, and because of the large number of sex...35 percent of the country's male population to the virus weekly. The virus is not easy to transmit heterosexually, b ut over time with multiple exposures, in...

Challenges in Entecavir Drug Treatment

...itself into a polymerase enzyme in the hepatitis B virus that helps produce new viral DNA. However, the hepatitis B polymerase closely resembles the reverse transcriptase enzyme that HIV uses to copy its genome inside an infected cell. Thus, there was a possibility that treating co-infected patients for ...

Vietnam Plans Human Trial of Bird Flu Vaccine

... in Singapore and Hong Kong, using a strain of the virus found in Indonesia. "There are many candidate vacc...act with H5N1-positive birds, but experts fear the virus could mutate to be more easily transmitted from human to human, triggering a global pandemic. Iadema...

Researchers Have Found the Role of Protein in Accelerating Breast Cancer Progression

...press very high levels of the mouse mammary tumour virus (MMTV)-Ptn transgene along with increases in collagen, elastin, tumour angiogenesis, and increased size of new blood vessels within the breast cancers-all markers for breast cancer. "Our study suggests the possibility that PTN expression may account...

H5N1 Bird Flu Confirmed at Czech Turkey Farm

...emain an isolated one," Semerad explained. "The virus probably originated from contaminated straw bedding," he added. No domestic poultry can be moved within the restricted area. "Strict checks will be imposed, with a ban on the movements of animals, a count of all breeding poultry and a ban on bird sho...

Ancient Viral Defense may Explain Susceptibility to HIV: Study

...roglodytes endogenous retrovirus, or PtERV1. The virus is now extinct, but like most retroviruses, it ins...y the disparity and speculated that the reason the virus had not left any markers in the human genome was because of an antiviral defense gene called TRIM5a....

Chikungunya-hit Villages to Get Funds to Fight Mosquitoes

...id after the meeting. Chikungunya is caused by a virus spread by the bite of Ades Egyptis mosquito that breeds in stagnant water....

Doctors Warn of Deficiencies in Antenatal HIV Testing

...od (the stage immediately after infection when the virus cannot be detected). They point out that the information leaflet on HIV testing produced by the Department of Health does not include an explanation about the HIV window period, and retesting is not routinely offered to those at higher risk. Foll...

Recall of the AIDS Drug Causes Panic in Zambia

...ing other cells, thus slowing the spread of the HI virus in the body. Roche said it was establishing Virac...ended the company's license in Europe for its AIDS virus treatment, Viracept. Samuel Mpuka, executive director of the Churches Health Association of Zambia,...

New Vaccine for CMV Infection

...both infection and development of disease when the virus is present by completely disarming the viruss abil...ve found an Achilles heel in the defenses that the virus uses to evade the immune system, said Spector. The virus has evolved to persist in the host by ev...

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