Can eating garlic help prevent new coronavirus (SARS-CoV-2) infection?
Garlic is a healthy food that may have some antimicrobial properties. However, we have no scientific evidence that garlic consumption protects against infections with the new coronavirus (SARS-CoV-2).
World Health Organization (WHO). Novel Coronavirus (COVID-19) advice for the public: Myth busters (English)
EpiCentro (ISS). Coronavirus and new coronavirus (2019-nCoV) - FAQ
European Center for Disease Prevention and Control (ECDC). Q & A on novel coronavirus (English)