70 p.c of reported COVID-19 cases have been in unvaccinated or not fully vaccinated individuals. The CDCestimates that the risk of GBS after vaccination is fewer than 1 or 2 instances per million people vaccinated. Being pregnant additionally puts you at an increased danger of extra severe sickness from the flu. This is as a result of of changes within the immune system, heart, and lungs that occur during pregnancy . A flu immunization might produce anallergic reaction, however cases of this are very rare, and efficient therapies can shortly resolve any trouble.