Diseases, Conditions, Syndromes

Influenza expert assesses how worried we should be about H5N1

The current outbreak of a highly contagious strain of H5N1 avian influenza has been called the worst in history. By January 2023, poultry farmers in the U.S. had slaughtered almost 60 million birds infected or at risk of ...

Diseases, Conditions, Syndromes

Study shows New York City rats carry SARS-CoV-2

A new study has demonstrated that rats are susceptible to infection with Alpha, Delta and Omicron variants of SARS-CoV-2 and wild rats in the New York City municipal sewer systems and elsewhere in the city have been exposed ...

Diseases, Conditions, Syndromes

US to relax COVID testing rules for travelers from China

The Biden administration is preparing to relax COVID-19 testing restrictions for travelers from China as soon as Friday, according to two people familiar with the decision.

Diseases, Conditions, Syndromes

Hong Kong scraps mask mandate after almost 1,000 days

Hong Kong is scrapping its mask mandate from Wednesday, Chief Executive John Lee announced, ending the financial hub's last major Covid curb as it seeks to emerge from the pandemic.

Diseases, Conditions, Syndromes

90% reduction in COVID-19 deaths after booster dose: Hong Kong study

A booster (third) dose of a SARS-CoV-2 vaccine was associated with a 90% reduction in death in people with multiple health conditions compared to 2 doses, according to a new study from Hong Kong published in CMAJ (Canadian ...

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