"He said there was no Covid. He was listening to videos that the vaccine is not very well tested," El Hilali says. Her friend refused to get vaccinated, and neither did his wife or two daughters. El Hilali remembers the last time she saw Hassan was over lunch at his farm. She tried explaining that everyone"s immune system is unique – that even if the coronavirus didn"t cause severe symptoms in him, he might still pass it on to his wife or daughters.