This printable word search puzzle contains 19 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
infectious disease
defense mechanism
immune response
macro-parasite
transmission
lymphocytes
vaccination
pathogens
antibody
bacteria
microbes
protozoa
adapted
hygiene
vaccine
vectors
viruses
prions
fungi