The World Health Organization (WHO) said Wednesday that seven cases of jungle yellow fever have been confirmed in Paraguay while four others may have also been infected from the recent outbreak in 34 years.

The United Nations' agency statement says that seven cases came from the San Pedro region, while the other four were discovered in the town of Lorenzo, near Paraguay's capital

It's been said that a "spoon full of sugar helps the medicine go down" was proven by a study that claims a mixture of sugar and water given to infants helps ease the experience of pain during vaccinations.

The researchers from the Pennsylvania State University conducted an experiment involving 100 randomly selected babies aged 2 and 4 months old. The babies were orally given either the sugar water, or a placebo of sterile water, 2 minutes before they received their vaccination

Researchers from two U.S. universities have developed a new vaccination technique for preventing prostate cancer and a new test to detect the disease more accurately.

Researchers at the University of Southern California (USC) developed a vaccine that stimulates immune response against prostate stem cell antigen (PSCA), a protein whose over-expression indicates a developing prostate cancer. The vaccine proved successful in arresting the growth of a prostate cancer in mice that were genetically modified to develop the disease

The military has immunized more children than private health providers.

Based on data on military care and treatment by private industry providers presented by the Department of Defense at the Military Health System conference on Monday, Air Force health personnel immunized 86 percent of eligible recipients, compared to 84 percent immunized by the highest-rated state and 77 percent nationally

A vaccine may soon be available for protection against colitis caused by an amoeba that kills and eats human cells, according to researchers at the University of Virginia Health System (UVa).

Entamoeba histolytica kills nearly 100,000 people worldwide each year by causing colitis, or inflammation of the colon. The parasite kills and devours immune cells in seconds