Diseases, Conditions, Syndromes

Q and A: New variants of COVID-19

DEAR MAYO CLINIC: Cases of COVID-19 are once again surging in parts of the U.S., and I'm hearing about different strains, such as the BA.5 and BA2.75 omicron subvariants. What do I need to do to keep my family safe, especially ...

Diseases, Conditions, Syndromes

Nasal vaccine against coronavirus further improved

After having successfully tested a mucosal vaccine against coronavirus in animals just months ago, Berlin scientists have now further developed their live SARS-CoV-2 vaccine. Researchers at Freie Universität Berlin have ...

Diseases, Conditions, Syndromes

US sues Chinese firm over half-million 'fake' N95 masks

The US Justice Department sued a Chinese company for selling nearly a half million fake and substandard N95 respirator to US buyers in April as the COVID-19 pandemic swept the country.

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