* [[Garlic]] (Allium sativum). A food and a medicine this have been shown to be effective against both influenza A and B as well as viral pneumonia and rhinovirus.
* [[Elderberry]] : According to a study from the University of Sydney, elderberries do have antiviral properties, and they can fight a virus once an infection has already occurred. They also enhance the immune system.
* [[Astragalus]] (Astragalus propinquus) this has been shown to be effective against the H1N1 influenza and is used by herbalists worldwide to support to overall immune health.
* Homeopathy :
**Prophylaxis : The medicine that can prove to be a prophylactic in this pneumonia is [[Chelidonium majus]]. This medicine can be taken by people working closely with SARS patients like doctors, nurses, relatives and colleagues of known patients.