Even with infections that don't spread  easily , family members might still run the risk of developing the same infections, simply due to a shared environment. Researchers explored this issue for one infection in particular — toxoplasmosis.

Certain types of the bacteria E. coli live in our intestines without causing trouble or harm. But other strains can cause serious illness. Two related California companies have recalled pre-packaged salads and wraps due to concerns about this type of the bacteria.

Staph infections are often serious and sometimes difficult conditions to treat. But the number of new cases and spread of this disease caused by a bacterium that does not respond to standard kinds of medicine have been declining among military veterans.

The flu is a very common illness that affects all different types of people. But it may be more dangerous for some.

Many assume that once patients are diagnosed with a disease, they automatically begin receiving treatment for that condition — but researchers behind a new study warning that this may not be the case for many patients with hepatitis C.

A number of food products, including packaged potato and tuna salads, were recalled in October due to concerns about a bacteria called Listeria . The recalls have been expanded this week and now include a variety of additional meat products and salads.

Some people with hepatitis C experience serious side effects from or do not respond to interferons, the typical treatment for the disease. Fortunately, new research has shown promising results for a different type of treatment.

HIV/AIDS treatment has helped lengthen patients' lives. But as they live longer, people with HIV may have to be especially watchful for health problems related to age, including the possibility of weaker bones.

Although it may be well-managed in the US, malaria should still be a concern for Americans traveling internationally.  Malaria is an infectious disease that occurs after a person has been bitten by an infected mosquito.

Even when no illnesses have been reported, sometimes concerns about food safety can cause a stir. That was the case this week, as several companies announced food contamination worries. Luckily, no reports of consumers becoming ill have developed.