immunity

A healthcare professional administers a booster vaccine at a coronavirus disease (Covid-19) pop-up vaccination centre at Wembley Stadium in London, Britain, December 19, 2021. Photo : Reuters

USA

Natural immunity more potent than vaccines during US Delta wave: study

Indeed, by November 30, 2021, some 131,000 residents of California and New York had died from Covid-19, the two states the paper, which used statistical modeling, was based on

Coronavirus chronicle

Catching the common cold can help fend off Covid, study finds

Coronavirus chronicle

Immunity from Pfizer vaccine wanes after two months: New studies

The company said fleets would be rolled out to all users on iOS and Android in the coming days. Photo: Reuters

South Asia

Twitter loses immunity over user-generated content in India

China's State Councillor Wang Yi gestures as he meets with Canada's Foreign Minister Francois-Philippe Champagne in Rome, Italy, August 25, 2020. Photo:Reuters

Coronavirus chronicle

China urges nations to build 'Great Wall of Immunity' against coronavirus

Coronavirus chronicle

Exercise boosts immunity and makes vaccines more effective – new study

Saudi Crown Prince Mohammed bin Salman attends a session of the Shura Council in Riyadh, Saudi Arabia November 20, 2019. Bandar Algaloud/Courtesy of Saudi Royal Court/Handout via Reuters

World+Biz

Trump administration considering legal immunity for Saudi crown prince in alleged assassination plot

Coronavirus chronicle

Natural immunity to Covid-19 may be long-lasting: Study

Thoughts

Coronavirus immunity can last for months

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