Time to ease COVID-19 restrictions
As the third winter begins in India after the COVID-19 pandemic began in January 2020, fresh daily infections of the novel coronavirus —
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COVID-19
Corbevax booster should be a vaccine of choice
Due to faulty clinical trial design, the superiority of Corbevax heterologous booster over homologous boosters is not known On January
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COVID-19 saw more retractions in science journals than preprints
A small study has found that 143 peer-reviewed journal papers were retracted compared with just 40 retracted preprints
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What is causing a surge in COVID-19 cases in India?
In addition to BA.4 and BA.5, India and about half-a-dozen other countries have reported BA.2.75, which is a new sub-lineage of Omicron
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Every reinfection increases the risk to health
Reinfection contributes to additional risk of deaths and adverse health outcomes in the pulmonary and several extrapulmonary organ systems
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In haste: On vaccinating children against COVID-19
India could have waited for evidence of benefit of vaccinating all children The emergency use authorisation (EUA) granted on April 26
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Boost for boosters: On Corbevax as booster dose
With the approval of Corbevax as a booster dose, India will have a heterologous shot
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Why pangolins may not be the intermediate host for SARS-CoV-2 virus
Pangolin coronavirus produced moderate disease in hamsters and was less virulent
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Why cats and dogs are less susceptible to Omicron
The progenitor of the Omicron variant might have emerged in mice and then spread to humans
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COVID-19 immunity following infection lasts up to 19 months
Hybrid immunity after one and two doses of vaccine was associated with 94% and 90% lower risk of hospitalisation, respectively
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Not mild for all: On community transmission of Omicron
India has admitted community transmission in the belief Omicron is mild Even at the peak of the second wave in
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T cell immune responses seen a year after infection
Strong and longstanding T cell responses were seen even when people were not reinfected or vaccinated
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Recombination of two virus variants seen since 2020
The Alpha and Wuhan strain recombinant was the first; the latest is a mixture of two Omicron sub-lineages Mutations are
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