less likely to produce strong side effects. However, they are also less likely to create long-lasting immunity. Therefore, many subunit vaccines contain adjuvants, chemicals that scientists add to the vaccine to elicit a robust immune response.
Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.It is possible to create longer-lasting immunity by combining the small part of the pathogen with an adjuvant.