Fractional or lower dosing has been used around the world for years as a means to overcome vaccine shortages.
![A woman receives a dose of the AstraZeneca COVID-19 vaccine during a mass vaccination in Mexico City [File: Edgard Garrido/Reuters]](/wp-content/uploads/2021/07/2021-07-06T201637Z_962122432_RC21FO9R5UJY_RTRMADP_3_HEALTH-CORONAVIRUS-MEXICO-VACCINE.jpg?resize=270%2C180&quality=80)
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Recent study finds a link between cardiac arrests and COVID-19, which could help to map the pandemic’s past and future.
![Senior doctor Thomas Marx (R) talks to a patient infected with the novel coronavirus (Covid-19) in an intensive care unit (ICU) at the hospital in Freising, southern Germany [Lennart Preiss/AFP]](/wp-content/uploads/2021/04/000_97V2Q6.jpg?resize=270%2C180&quality=80)
Lockdown strain, overwhelmed health services and mistaken symptoms are leaving pregnant women at risk.
![Many pregnant women have had remote antenatal appointments during the pandemic [Reuters/Callaghan O'Hare]](/wp-content/uploads/2020/12/2020-04-16T140256Z_1965142203_RC2Q5G9WY691_RTRMADP_3_HEALTH-CORONAVIRUS-USA-BIRTHS.jpg?resize=270%2C180&quality=80)
Scammers have so far stolen more than two million pounds sterling in coronavirus-related scams, say police.
