Ideally, the vaccination should be given 4 weeks before travel. A combined hepatitis A and hepatitis B vaccine is also available in Australia. It is given as a course of 3 doses of vaccine: one vaccination is given immediately, the second is given one month later, and the third is given 5 months after that.
Although Haemophilus influenzae is not the cause of influenza, it is still responsible for a number of different clinical diseases in humans. And since it is able to adapt to the penicillin binding protein, it has acquired a level of resistance to the different kinds of penicillin antibiotics. Haemophilus influenzae is a non-motile, Gram-negative, fastidious, non-spore forming, facultative anaerobic, rod-shaped bacterium.
Viruses, bacteria, a fungus, or (in rare cases) parasites or other organisms can cause pneumonia. 1  In most cases, the specific organism (such as bacteria or virus) cannot be identified even with testing.2  When an organism is identified, it is usually the bacteria Streptococcus pneumoniae. Many types of bacteria may cause pneumonia. 2  Pneumonia caused by Mycoplasma pneumoniaeMycoplasma pneumoniae is sometimes mild and called  walking pneumonia 3  .. Viruses, such as influenza A (the flu virus) and respiratory syncytial virus (RSV) can cause pneumonia.