The only antidepressant with a half-life substantially in excess of 24 hours is fluoxetine. The parent drug has a half-life of 2 to 4 days and norfluoxetine, its active metabolite, has a half-life of 7 to 15 days. This half-life is even longer at doses above 20 mg/day in physically healthy older patients.
Toxic shock syndrome, or TSS, is a very rare and life-threatening bacterial infection. Some women can be affected by toxic shock syndrome from certain types of tampon, but men and children can also get TSS. Toxic shock syndrome can also be caused by boils, insect bites, scalds, burns or other wounds being infected by Staphylococcus aureus and Streptococcus pyogenes bacteria.
SARS (severe acute respiratory syndrome) Overview. Severe acute respiratory syndrome (SARS) is caused by the SARS coronavirus, known as SARS CoV. Coronaviruses are common viruses linked to infections in humans and animals. There are several recognised human coronaviruses that cause mild respiratory infections, such as the common cold. However, this type of virus can also include strains that cause more severe illnesses, such as SARS. There have been two self-limiting SARS outbreaks to date, during 2002 to 2004 (see below) associated with a highly contagious and potentially life-threatening form of pneumonia.