(Not mine)

Aries: becomes too reckless

Taurus: volunteers to go on a risky supply run

Gemini: one of the first to become infected

Cancer: they don't want to kill a zombie child

Leo: murdered by someone who wants to become leader

Virgo: something out of the blue, like a car crash

Libra: trusts the wrong people

Scorpio: attempting to save their loved ones

Sagittarius: tries to fend for themselves

Capricorn: from a mistake someone else made

Aquarius: captured by other survivors for food

Pisces: wasn't paying attention to their surroundings