By Sandra Rose  | 

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Instagram, BACKGRID

An Instagram model's battle with AIDS leaves Chris Brown's fans worried about his health. Gena Tew, 27, shared a TikTok post detailing her battle with acquired immune deficiency syndrome (AIDS).

Gena said she didn't know she had AIDS until a doctor informed her after she experienced unexplained weight loss, nausea and vomiting and extreme fatigue.

She tested positive for the human immunodeficiency virus (HIV) and her weight loss was due to wasting syndrome - one of the so-called AIDS-defining illnesses. Her condition is so debilitating that she is unable to walk without assistance.

Gena believes she was infected with the HIV virus when she was 17. She doesn't know who infected her.

Gena was once a popular Instagram model who traveled in the same circles as hip-hop stars Chris Brown, Nick Cannon and KanYE West, among others.

According to public health officials, 1.2 million Americans are living with HIV or AIDS.

Doctors and coroners stopped listing AIDS as a cause of death in the mid-1990s due to the stigma. Which means the true number of AIDS-related deaths in America will probably never be known.