Angioimmunoblastic T-cell lymphoma (AITL) is a rare lymphoid malignancy with dismal prognosis. We conducted a large population-based study using the Surveillance, Epidemiology, and End Results (SEER) database (1973â2010) to determine the temporal survival trends and prognostic factors of AITL patients.
Hepatitis B is considered to be contagious between people. Generally the infectious agent may be transmitted by saliva, air, cough, fecal-oral route, surfaces, blood, needles, blood transfusions, sexual contact, mother to fetus, etc. Hepatitis B, although infectious, is not a genetic disease.It is not caused by a defective or abnormal gene. The contagious disease, Hepatitis B, can be transmitted: 1  by sexual conduct between people. 2  from person to person by blood. 3  from the mother to her fetus.he contagious disease, Hepatitis B, can be transmitted: 1  by sexual conduct between people. 2  from person to person by blood. 3  from the mother to her fetus.
edit Infection mechanism for common cold vs flu. Both illnesses are airborne and contagious, the flu more so because of its short incubation period. The most common way to catch the flu or a cold is to inhale droplets from coughs or sneezes.Sneezes expel a significantly larger concentration of virus cloud than coughing.oth illnesses are airborne and contagious, the flu more so because of its short incubation period. The most common way to catch the flu or a cold is to inhale droplets from coughs or sneezes. Sneezes expel a significantly larger concentration of virus cloud than coughing.