Notes

Hiv 1 subtype c is mc in india
Mc in world-hiv 1, polio1
Mc in west africa hiv 2.
Subtype e in north east
india,Thailand
Vaccine ass polio-type 2

BBB absent in
1.pineal body
2.post.lobe of pituitary
3.tubercinerium
4.supra optic recess of 3rd ventricle
5.OVLT
-area postrema
-subforniceal organ
-Lamine terminalis
-median eminence

Wimberger sign,trumerfeld zone,
frankel line and pelkan spur seen in
SCURVY..