Vaccination offers partial protection for postacute phase of COVID-19
May 31, 2022
Individuals with breakthrough infection have an increased risk for death and postacute sequelae compared with contemporary controls.
Proportion of asymptomatic SARS-CoV-2 infections unclear
May 27, 2022
Most SARS-CoV-2 infections are not asymptomatic; those with asymptomatic infections are less infectious.
Burden of persistent symptoms high after COVID-19 infection
May 24, 2022
No specific causes of symptoms of postacute sequelae of SARS-CoV-2 infection were identified.
Antibody levels after COVID-19 vaccination inversely linked to body weight
May 23, 2022
An inverse correlation was sustained for up to six months following two doses of BNT162b2 (Pfizer–BioNTech) in a small cohort of healthy young and middle-aged adults.
Loss of smell, taste less likely with newer COVID-19 variants
May 18, 2022
A lower risk for developing chemosensory loss was observed with the alpha, delta and omicron variants.
WHO says pandemic death total far higher than reported in many countries
May 05, 2022
In the United States, about 930,000 more people than expected had died by the end of 2021 compared with the 820,000 COVID-19 deaths officially recorded during the same period, The New York Times reported.
Plant-based recombinant COVID-19 vaccine found to be effective
May 04, 2022
Vaccine efficacy ranged from 69.5% against symptomatic infection to 78.8% against moderate-to-severe disease.
Higher vaccination coverage linked to lower COVID-19 mortality
Apr 28, 2022
A 10% improvement in vaccination coverage was linked to an 8% drop in mortality and a 7% drop in incidence.
Natural COVID-19 immunity produces protection similar to vaccines
Apr 27, 2022
Similar natural protection was seen against mild and severe disease.
Moderna says its combo vaccine effective against omicron
Apr 19, 2022
The company says the combination vaccine triggers antibodies capable of fighting several variants, including beta and omicron.