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Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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The longest a person has survived after a heart transplant is 24 years.

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There are more bacteria in your mouth than there are people in the world.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

A purse made from a cane toad. A purse made from a cane toad.
Mechanisms of Active and Passive Immunity Mechanisms of Active and Passive Immunity
A Passive Continental Margin A Passive Continental Margin
Active Compared with Passive Voice Active Compared with Passive Voice
Passive movement of the hip through its full range. With one hand just above the knee and the other ... Passive movement of the hip through its full range. With one hand just above the knee and the other ...
The nurse conveys attentive listening through a posture of involvement The nurse conveys attentive listening through a posture of involvement
Video: HIV Infection: Viral life cycle

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