Tetanus is an acute, often fatal disease caused by an exotoxin produced in a wound by Clostridium tetani. Clostridium tetani is a gram-positive, nonencapsulated, motile, obligatively anaerobic bacillu...

Dengue fever, a disease caused by mosquitos, was reported in Malaysia since 1902 but it was only known as haemorrhagic dengue when the first severe dengue outbreak occurred in Penang in 1962. Since th...

The topic of allergic food reactions is undoubtedly one of the most confused of clinical immunology. The term ‘allergic’ is frequently used inappropriately to describe all conditions where reproducibl...