A tiny organism that multiplies within cells and causes diseases such as chickenpox, measles, mumps, rubella, and hepatitis. Antibiotics have no effect on viruses.
Glossary Words
credible vaccine information for families, from families 💗
credible vaccine information for families, from families 💗
A tiny organism that multiplies within cells and causes diseases such as chickenpox, measles, mumps, rubella, and hepatitis. Antibiotics have no effect on viruses.