Vaccination

Serbia to offer COVID-19 booster shots

Serbia will offer a third "booster" COVID-19 shot to its population from Tuesday, as the country battles an uptick in cases, largely among unvaccinated citizens.

Diseases, Conditions, Syndromes

Iran will impose 6-day 'general lockdown' over coronavirus

Iran says it will impose a six-day-long "general lockdown" in cities across the country after being hit by what it describes as its fifth wave of the COVID-19 pandemic, state media reported Saturday.

Medical research

Vitamin D reduces the need for opioids in palliative cancer

Patients with vitamin D deficiency who received vitamin D supplements had a reduced need for pain relief and lower levels of fatigue in palliative cancer treatment, a randomized and placebo-controlled study by researchers ...

Vaccination

States race to use COVID-19 vaccines before they expire

Hundreds of thousands of COVID-19 vaccine doses have been saved from the trash after U.S. regulators extended their expiration date for a second time, part of a nationwide effort to salvage expiring shots to battle the nation's ...

Vaccination

Brazil begins mass vaccine study in poor Rio neighborhood

Brazilian health authorities on Thursday began the mass immunization of Rio de Janeiro's Mare neighborhood in a novel bid to control COVID-19 in a poor community while studying vaccine effectiveness and the prevalence of ...

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