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Mutations can affect how viruses behave and how well drugs and vaccines work.
Ask POZ is an ongoing section on POZ.com dedicated to answering general wellness questions.
Hepatitis A and E usually resolve on their own, but hepatitis B and C can cause serious liver disease, including cirrhosis and liver cancer.
New guidelines recommend focusing on healthy foods but don’t restrict added sugars or alcohol as much as some experts had hoped.
People with HIV, people with cancer and pregnant people can be vaccinated against the coronavirus.
Disruptions in prevention and care could threaten progress toward ending the HIV epidemic.
Vaccine development is proceeding at an unprecedented pace, but could still hit snags on the way to approval.
Try to do at least 150 minutes of moderate-intensity physical activity every week.
These three respiratory illnesses share many of the same symptoms.
Different types of white blood cells provide protection against infections and cancer.
Many people with fatty liver disease have obesity, diabetes and other metabolic conditions.
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