herd immunity

People wait to get COVID-19 booster vaccine at mobile vaccination centre in Bolton

Managing COVID in 2022: First Do No Harm

Francisca Mutapi 20/12/2021

After two years of living through a pandemic, the...

FILE PHOTO: Outbreak of coronavirus disease (COVID-19) in Mumbai

Epidemics End. Eventually. Sort Of.

Kiran Kumbhar 31/10/2021

For millions of Indians, structural factors have given rise...

People receive a dose of COVISHIELD vaccine

Nine Months Later, 25 Takeaways From the World’s COVID-19 Vaccination Programme

Dr Vipin Vashishtha 06/09/2021

More than 5.41 billion COVID-19 vaccine doses have been...

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What Next for the Delta Variant?

Hamish McCallum 23/08/2021

We can expect evolution to favour virus strains that...

FILE PHOTO: SOMOS Community Care administers Moderna COVID-19 Vaccine at pop-up site in New York

Moderna Says Its COVID-19 Shot Maintains High Efficacy Through 6 Months

Michael Erman 06/08/2021

Moderna and Pfizer have been advocating for a third...

COVID-19 pandemic in New Delhi

Why India Needs To Set Its Sights on Higher Efficacy Vaccines for All Its People

Dr Joseph Britto 09/06/2021

If we make investments that are divorced from certain...

COVID-19 vaccination campaign in France

Can People Vaccinated Against COVID-19 Still Spread the Coronavirus?

Sanjay Mishra 31/05/2021

COVID-19 poses a particular challenge because people with asymptomatic...