Across the world, more than 200 million cases of malaria and nearly 500,000 deaths from the disease occur annually—more than 90 percent of which happen in Africa. Children in Africa can be diagnosed ...

People living in regions where malaria outbreaks are common experience repeated exposure to the disease, which gradually ...

A new study shows how person-to-person variation in antibody immunity plays a key role in shaping which influenza (flu) strains dominate in a population. A new study has shown that person-to-person ...

Bird flu has ripped through the animal kingdom for the past few years now, killing countless birds and crossing into an alarming number of mammals. Yet people remain largely untouched. Even though the ...

Scientists discover how innate immunity envelops bacteria. The protein GBP1 is a vital component of our body's natural defense against pathogens. This substance fights against bacteria and parasites ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

The total human cases from bird flu is still low but if the virus mutates in certain ways, scientists fear pandemic. They're studying how immunity from seasonal flu might protect us. Bird flu has ...