Thank you for query.
Low wbc is caused by viral infections mostly.
But in rare cases it may lead to other consequences.
Have well balanced diet green leafy vegetables in diet.
Have almonds daily.
Include garlic it's proved to increase wbc
Next Steps
avoid stress
have a good sleep
add carrots,yogurt to daily diet
add curry leaves to buttermilk and have it
Health Tips
use septilin or guduchi from himalaya daily to increase immunity