A handful of countries are investigating more reports of blood clots in people who received the AstraZeneca-Oxford COVID-19 vaccine, including the Netherlands, which has suspended use in people younger than 60.In other international developments, more countries where virus activity is surging reported record highs for daily cases.Blood clot reports prompt probes, pausesHealth groups continue to maintain that the benefits from the AstraZeneca vaccine greatly outweigh the risks, but reports of rare blood clotting problems in those who received the vaccine continue to trickle in.In the Netherlands, the health ministry today announced a pause in vaccinating people younger than 60 as a precaution over possible side effects.