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Sweden avoided a full lockdown, instead introducing some rules intended to keep people working while protecting the vulnerable and the hospital system.But its deaths soared, its expected "herd immunity" outcome failed, and other countries are limiting the movement of people from Sweden when opening borders.Now, some Swedes are beginning to question the strategy, and other…

A 13-year-old California teen died with symptoms of coronavirus last Thursday after he tested negative for the virus, CBS affiliate KCBS-TV reported. The family told KCBS-TV that the teenager seemed to recover from his symptoms before he died in his bedroom, self-isolating from his family. An autopsy will determine whether Cheng died of coronavirus, KCBS-TV reported. Visit Business…

Early research has revealed a possible link between individuals' blood type and their coronavirus risk.Several preliminary studies found that people with type O blood have a lower risk of getting the coronavirus, or are less likely to develop a less severe infection if they do get it.But that link is tenuous and shouldn't be used…

One in three young adults have at least one risk factor that could result in severe COVID-19 infections, a new study found.The researchers determined that smoking was the most prevalent risk factor for people in their late teens and 20s.Other factors like underlying diseases or genetic differences could also put young people at risk of…

Coronavirus immunity starts to fade away just weeks after people show symptoms, according to a new study by UK scientists.King's College London research found that the presence of antibodies peaked three weeks after symptoms appeared, before fading away.In some cases, the antibodies were undetectable three months afterwards.It followed a Spanish study last week which also…