Total antibody levels appear to start to decline as early as six weeks after full vaccination and may drop by more than 50% within 10 weeks, according to new study data. Virus Watch carried out in the
University College London (UK).
The findings, published in
«The Lancet», include data from more than 600 people and show that antibody levels are substantially higher after the two doses of the Pfizer vaccine than after the full course of the vaccine Astra Zeneca.
Likewise, the data indicate that they are much higher in those people who have passed the Covid-19.
The authors emphasize that although the clinical implications of