She had the flu, it was even in the title of her video, and we know that the influenza virus can survive being frozen and remain infectious. https://www.newscientist.com/article/dn10676-can-flu-viruses-survive-winter-in-frozen-lakes/ Influenza kills, especially children, the elderly, and the infirm. Tampering with a consumer product is a felony for a reason, and she did so knowingly and with blatant disregard for the health, safety, and wellbeing of others.