Some cancers have a change (mutation) in the BRAF gene.
Hepatitis means inflammation of the liver. The liver is a vital organ that processes nutrients, filters the blood, and fights infections.
Influenza or flu is a contagious respiratory disease caused by variants of Influenza viruses.
Initially reported in Wuhan in late 2019, the coronavirus illness is caused by the novel SARS-CoV-2 virus.
Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family.
tuberculosis (TB). Though viruses usually cause lower respiratory infections, they can also be caused by bacteria