Pfizer vaccinated have 5-6 fold lower antibodies in their blood

Precipitants of Pfizer vaccines, those who have had 2 doses, have 5-6 fold lower amount of neutralising antibodies which block the virus from getting into your cell. That’s less for people with 2 doses, and most importantly the older you are the lower your level are likely to be and as time goes on the lower your the level of antibodies. This is why booster is required here on in. From the Highwire..