No red flags: Malaysians should feel reassured that the Pfizer-BioNTech vaccine has been assessed rigorously by two major regulatory bodies – the United States’ Food and Drug Administration and United Kingdom’s Medicines and Healthcare products Regulatory Agency. — AP AS more frontliners get vaccinated against Covid-19, others eagerly wait their turn to receive the shots that could spell the end of the pandemic. From April onwards, senior citizens and high risk groups will get the Covid-19 vaccine, followed by adults aged 18 and above beginning May. But there are some who are hesitant, worrying about the possible side effects of the jab, or adverse events following immunisation (AEFI).