news Are The COVID-19 Vaccines Safe? We Asked A Doctor To Explain How They Were Made So Fast How were the COVID-19 vaccines made in less than a year? By May Vin Ang â 06 Jan 2021, 07:28 PM 1. The COVID-19 vaccines were made in less than a year. How were they made so fast when other vaccines take years to develop? Dr Khoo Yoong Khean, a healthcare administrator working in Singapore and the managing editor of The Malaysian Medical Gazette, told SAYS that while it is conventionally true that vaccines do take a long time to develop, it doesn't mean the COVID-19 vaccines were rushed.