Pfizer and Moderna vaccines may offer immunity for years

A study published in Nature is the first to confirm the presence over time of germinal centers of B cells that ‘train’ antibodies. Until now, the immunity generated by vaccines against Covid-19 is measured by ‘weighing’ the amount of neutralizing antibodies, which prevent the coronavirus…

Why Mixing Vaccines Could Solve Many Pandemic Problems

The combination of two drugs could accelerate the rate of vaccination in Spain and would be an effective way to combat the lack of doses. Given the changes that the AstraZeneca vaccine has undergone, the new variants of the coronavirus and the supply limitations, many…

When Franco used polio vaccines to propagandize the regime

The epidemic was silenced by the media until, ten years later, the first vaccination campaign arrived. First they tried to deny reality and then they sold the solution as the greatest success both from the outside and among their own citizens. We are not talking…