Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Mechanism of transport by a transporter, also called a carrier.
A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus