Should you get another booster?

The F.D.A. authorized second boosters for Americans aged 50 and older and those with certain immune deficiencies on Tuesday. But the scientific evidence for the additional dose is incomplete, at best, and researchers do not agree on whether the shots are needed. So...

Understanding long Covid

Millions of people continue to suffer from long-term Covid symptoms. Studies estimate that 10 to 30 percent of people infected with the coronavirus may develop such symptoms, including cognitive issues, exhaustion, shortness of breath and many others. “It involves a...

In search of a dream vaccine against all coronaviruses

What the world needs is a super vaccine that can deal with all coronaviruses and future outbreaks at once. Whether that is feasible is uncertain, virologists say, “but we should at least try.” The ideal corona vaccine is resistant in advance to future...

Bracing for the BA.2 wave

Can India learn from this?Barely two months after the Omicron wave, U.S. epidemiologists are already warning of another swell in the pandemic. Though Covid case numbers are falling in most of the country, scientists warn that the quiet may soon give way to...
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