up—to—date. we have had a few more papers in the last hour or so. the guardian says a number of nhs trusts have now declared "critical incidents" and parts of the health services are in crisis, due to mounting pressure and staff shortages caused by coronavirus. commuters and schoolchildren face covid chaos, according to the daily mail. some schools return on tuesday morning. the paper claims up to a quarter of school staff could be in isolation in coming weeks. the times reports the prime minister warning about "considerable pressure" facing hospitals, but that he believes plan b measures and vaccinations will deal with the current covid wave. the head of thejoint committee on vaccination and immunisation is quoted in the telegraph as saying fourth covid jabs shouldn't be given until there's more evidence that they're effective. professor sir andrew pollard also says we'll need to target the most vulnerable, rather than boosting the whole population in the future. prince andrew's picture is splashed across the mirror and most of the other papers.