If symptoms escalate, an ECG and an echocardiography may need to be carried out to determine the condition of the heart Others who risk developing complications from swine flu infection are those suffering from chronic respiratory diseases such as bronchitis and asthma.

Those with asthma and chronic respiratory diseases have three times the risk and the very obese six times the risk.

Combining five different air cleaning technologies and a 16 stage multi-layer filtering system, the new air purifier eliminates fine dust, bacteria, asbestos, radon, amonia, formaldehyde, animal hair, allergy causing germs, mold, smoke, strong odors, Volatile Organic Compounds (VOCs), and Nitrogen Dioxide (NO2) which can cause or contribute to the development of chronic respiratory diseases such as asthma and other allergies.