11-21-2018, 06:29 AM
From the link:
"Opposition to vaccination has posed a challenge to herd immunity, allowing preventable diseases to persist in or return to communities that have inadequate vaccination rates"
If you allow people to choose whether to vaccinate or not at your school then herd immunity disappears.
"Opposition to vaccination has posed a challenge to herd immunity, allowing preventable diseases to persist in or return to communities that have inadequate vaccination rates"
If you allow people to choose whether to vaccinate or not at your school then herd immunity disappears.