Vaccination

Pfizer booster more than 50% protective against omicron

A booster dose of the Pfizer–BioNTech vaccine (BNT162b2) against SARS-CoV-2 after an initial two doses of either the CoronaVac inactivated virus vaccine or Pfizer–BioNTech mRNA vaccine is shown to provide protection against ...

Diseases, Conditions, Syndromes

Predicting long COVID at initial point of COVID-19 diagnosis

A significant portion of people who contract the SARS-CoV-2 virus—some estimates suggest more than 40 percent—suffer chronic effects known as Post Acute Sequelae of COVID-19 (PASC), commonly referred to as long COVID. ...

Vaccination

Cambridge needle-free coronavirus vaccine enters clinical trial

Safety trials are underway for a Cambridge-led vaccine that could be used as a booster targeting COVID-19 virus variants and relatives that threaten future coronavirus pandemics. The first volunteer is expected to receive ...

Diseases, Conditions, Syndromes

Vaccinated who get breakthrough infections are less contagious

People who are vaccinated for SARS-CoV-2 but get breakthrough infections may be less likely to spread the virus because they shed it for a shorter period than unvaccinated people who are infected, according a new study led ...

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