The US Food and Drug Administration has blocked the publication of several studies that found Covid-19 and shingles vaccines to be safe, according to a spokesperson from the Department of Health and Human Services. Agency scientists conducted the studies by analyzing millions of patient records and found that serious side-effects from the vaccines were rare, the spokesperson confirmed. The studies – funded by taxpayer money and costing several million dollars – included research examining the safety of Covid-19 vaccines in 2023 and 2024. Andrew Nixon, an HHS spokesperson, confirmed the withdrawals in a statement, saying: “The studies were withdrawn because the authors drew broad conclusions that were not supported by the underlying data.…