Depends on infection: Some bugs( viruses, bacterias, etc.) are small enough , and if they circulate in blood, can easy cross the barrier, others require trauma or surgery to penetrate the brain.
Answered 3/13/2016
5.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question