Diseases, Conditions, Syndromes

Delta variant circulating in Sao Paulo: health official

The highly contagious coronavirus Delta variant "is already circulating" in Brazil's most populated state, Sao Paulo, said authorities Wednesday in the country with the world's second-highest death toll.

Diseases, Conditions, Syndromes

Delta variant now behind over 50% of US cases

The highly contagious Delta variant now accounts for more than half of all new coronavirus infections in the United States, new government data shows.

Diseases, Conditions, Syndromes

When can masks be ditched? UK leader to revamp virus rules

Prime Minister Boris Johnson will provide an update Monday on plans to ease COVID-19 restrictions in England, amid speculation that he will scrap rules that require people to wear masks in many public settings.

Diseases, Conditions, Syndromes

5 things to know about the Delta variant

For the first time in more than a year, we're feeling some hope—or at least cautious optimism—that the pandemic could recede to the background. But experts want us to know that there is still a concern that new mutations ...

Diseases, Conditions, Syndromes

Here's what you should know about the Delta variant

When it comes to infectious diseases, the United Kingdom is like the "canary in our mine," according to Texas A&M University virologist Benjamin Neuman. When a virus is spreading there, it will soon make its way to the United ...

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