Antiviral drugs

virus: infectious agent

can only replicate within living cells (needs a host)

causes diseases

usually a piece of DNA or RNA that has a protein coat, sometimes has spike proteins

not alive

examples of harmful viruses

human immunodeficiency viruses (HIV)

infects white blood cells in immune system

body produces more white blood cells which spreads HIV

acquired immunodeficiency syndrome (AIDS): <5% of white blood cells remain

usually transmitted sexually

herpes

hepatitis

coronavirus (COVID-19)

rabies

influenza (flu)

cold

chicken pox (child) → shingles (adult)

polio

measles

antiviral drug: drug that stops viruses from replicating or destroys viruses (not very effective)

vaccine: inject piece of virus or dead virus to train body to build immunity

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