One of the preventive measures against Swine Flu
Use “Nilgiri Oil” (Eucalyptus oil) drops on handkerchiefs and masks as one of the preventive measures against Swine Flu (NIV) National Institute of Virology.
Not just Tulasi, Vitamin C rich substances are known to boost immunity. So taking hot Lemon or Amla (Indian Gooseberry) powder mixed with hot water would be very helpful.
"The anti-flu property of Tulsi has been discovered by medical experts across the world quite recently. Tulsi improves the body's overall defence mechanism including its ability to fight viral diseases. It was successfully used in combating Japanese Encephalitis and the same theory applies to swine flu," Dr U K Tiwari, a herbal medicine practitioner says.