It's actually a good sign, believe it or not. On the one hand, it signifies that you have an infection (usually of the lower respiratory tract), but the colour also suggests that your body is at work fighting the infection. If your body hasn't defeated the infection in five to seven days, then you should see your doctor, who will prescribe antibiotics. However, it is always preferable to let your body kill the germs for you, since overuse of antibiotics can lead to antibiotic resistance in many infections.
Spanish flu is viral.
Crabs are caused by a parasitic infection, not a bacterial or viral infection. They are commonly known as pubic lice and infest human pubic hair.
Dacryoadenitis is an infection due to viral or bacterial infection.
Yellow phlegm itself is not contagious; rather, it is a symptom that often indicates an underlying infection, such as a cold or bronchitis. The contagiousness comes from the pathogens causing the infection, not the phlegm itself. If the infection is viral or bacterial, it can be spread through respiratory droplets when an infected person coughs or sneezes. It's important to practice good hygiene to prevent the spread of any underlying illness.
no bacterial infection
Inflammation of the lacrimal gland by bacterial, viral, or fungal infection is called Dacryoadenitis.
Bronchitis can be caused by either a viral or bacterial infection, with viral infections being more common. Viral bronchitis typically resolves on its own with rest and symptom management. Bacterial bronchitis may require antibiotics for treatment.
No. It's bacterial.
Lungs
Polio is not caused by a bacterial infection. Polio is caused by a viral infection. While both are extremely tiny the viruses are 100 times smaller. Both viral and bacterial infections can sometimes be prevented by proper sanitation. Washing your hands after using the bathroom is a good way to avoid many viral and bacterial infections.
conjunctiva
Bacterial. Streptococcus or 'strep' is the type of bacterium.