Diseases, Conditions, Syndromes

China virus cases rise as Delta variant challenges Beijing

China's coronavirus cases hit a seven-month high on Tuesday, after a cluster at a test site helped drive up numbers as the Delta variant challenges Beijing's grip on the pandemic.

Medical research

Fasting may help ward off infections, study in mice suggests

Fasting before and during exposure to Salmonella enterica bacteria protects mice from developing a full-blown infection, in part due to changes in the animals' gut microbiomes, according to new research published in PLOS ...

Diseases, Conditions, Syndromes

US plans to require COVID-19 shots for foreign travelers

The Biden administration is taking the first steps toward requiring nearly all foreign visitors to the U.S. to be vaccinated for the coronavirus, a White House official said.

Diseases, Conditions, Syndromes

New York imposes Covid pass as virus returns to China's Wuhan

New York on Tuesday announced the introduction of a de facto vaccine pass for some public spaces, as China's Wuhan said it would test all 11 million residents after the coronavirus returned to the place where it first emerged.

Diseases, Conditions, Syndromes

Morocco tightens restrictions to stem COVID surge

Morocco on Tuesday increased its curfew hours and stepped up travel restrictions to three major cities in a bid to slow surging coronavirus cases.

Diseases, Conditions, Syndromes

Alpha variant spread via 'super-seeding' event in UK, researchers say

The rapid spread of the Alpha variant of COVID-19 resulted from biological changes in the virus and was enhanced by large numbers of infected people "exporting" the variant to multiple parts of the UK, in what the researchers ...

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