The vaccine information leaflets also don’t contain any information suggesting a link between the two However, medical professionals stress that heavy drinking and binge drinking should be avoided With the Covid-19 vaccines being rolled out rapidly in many parts of the world, many people are left wondering whether consuming alcohol before or after receiving the jab could interfere with the body's immune response. The good news is that, currently, there is no evidence to support any claims that consuming alcohol is unsafe, or that it can render the jab less effective. On the flip side, experts have, however, stressed that it would depend on how much you drink.