WATCH: Israeli study shows differences between men and women in level of COVID-19 antibodies July 14, 2021 Tweet WhatsApp Email https://worldisraelnews.com/watch-israeli-study-shows-differences-between-men-and-women-in-level-of-covid-19-antibodies/ Email Print Serological results indicate that the level of antibodies changes according to age groups, gender, symptoms, and time elapsed since vaccination. coronavirusCOVID-19Israeli medical researchvaccine