A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Cyanide works by making the human body unable to use oxygen.
Human physiology
Routes for the human colonization of the New World and Pacific islands.
A cerebral angiogram of a healthy human subject.
Passive touch by holding the head lightly.
Apply passive touch on the shoulder and hip. Stand in back and place one hand on the shoulder and ...
The photo is a cross-section of thickened human skin