They defend against bacterial or fungal infection. Specific treatments are effective for bacterial, fungal, and herpes simplex infections. The diseases of coral may consist of bacterial, viral, fungal, or parasitic infections. Apple trees are susceptible to a number of fungal and bacterial diseases and insect pests. Poinsettias are susceptible to several diseases, mostly fungal, but also bacterial and parasitic. Defensive responses to viral, fungal, and bacterial leaf pathogens do not involve cucurbitacin. They may prevent pathogen invasion by inhibiting fungal enzyme activity. The onset of the monsoon increases fungal and bacterial activity. Rarely they may be due to viral or fungal infections. Itraconazole is an antifungal medication used to treat a number of fungal infections. Gulzar, Bio-degradation of hydrocarbons using different bacterial and fungal species. AMPs have been observed having functions other than bacterial and fungal killing. Antifungal solutions are used in the case of fungal infections. People with weakened immune systems are also at risk of developing fungal infections. Thorough cleaning is important in preventing the spread of fungal infections.