No, diesel engines don't have ignition coil as they work on compression ignition and not on spark ignition as in diesel engines. Glow plugs used in diesel are like small electric heaters which use the mechanism of heating due to resistance during electrification.
Clarithromycin is another antibiotic treatment for walking pneumonia. It is more powerful than even erythromycin as it is also used to help treat HIV/AIDS patients. It works by interfering with the protein synthesis of bacteria, which prevents them from growing further. It is given in the form of tablets or a gel.
But even a mild form of the illness should not be ignored. Walking pneumonia symptoms can easily be mistaken for the flu, but there are some differences to be aware of: If symptoms persist more than a week and worsen, breathing is rapid and difficult, or you have chest pains, then it could be pneumonia.