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Find the source of infection & treat it.
It is a good idea to confirm your data with a secondary source.
Chickens are the most common source of human infection.
You probably have an infection. It may be from an upper tooth. The infection is causing pressure and swelling. You need to see a dentist right away to find and treat the source of the infection. If left untreated, the infection can spread and cause severe complications.
yes source by scientist
To trace an epidemic back to its source, you should first find the common denominator between the infected. Next, you work your way backwards after finding each common factor until you reach the source.
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I believe it is the root cause of most infections.
No scientist found the Earth.
no
Usually by drinking from a protozoa-infested outdoor water source.