A study today in Clinical Infectious Diseases finds that a third COVID-19 vaccine dose triggered a robust immune response, regardless of whether recipients had been infected more than 3 months earlier, but it didn't significantly increase antibody levels in those infected less than 3 months before.
Italy will begin testing all new arrivals from China and sequencing the tests for new variants amid China’s surge in COVID-19 cases, Italy’s health minister said on Wednesday.
But in December, an autopsy report of 44 peopleopens in a new tab or window who died with COVID-19 in the first year of the pandemic showed that SARS-CoV-2 virus had spread throughout the body -- including the brain -- and persisted in tissue for months.
This outbreak, the first in a decade of the less common Sudan strain, is a chance for clinical trials of the three vaccines donated by the U.S.-based Sabin Vaccine Institute, University of Oxford and Merck.
According to government data, the country reports roughly 1,200 Covid cases every week. Over 2.2 billion Covid vaccine doses have been administered so far.
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