La variante omicron, conocida oficialmente como B.1.1.529, apareció en noviembre en varios países del sur de África. Las alarmas saltaron en todo el mundo cuando los funcionarios de salud pública de Sudáfrica vieron que empezaba a superar a delta, la cepa dominante hasta ahora.
This new variant has set off alarm bells in the public health community, but much remains to be learned about it.
Scientists have found little evidence that the kind of masks worn by students negatively affect oxygen or carbon dioxide levels.
In his first speech before a joint session of Congress, President Joe Biden argued it was time to turn the coronavirus pandemic into a historic opportunity to expand government for the benefit of a wider range of Americans, urging investments in jobs, climate change, child care, infrastructure and more.
Presidential historians say that Joe Biden’s first 100 days in office — a somewhat arbitrary but frequently cited milestone — have included an above-average number of major accomplishments.
Covid-19 has become the country’s third-leading cause of death, and isn’t far behind cancer.
A principios de julio, había cerca de 160 ensayos de vacunas en todo el mundo, según la Organización Mundial de la Salud. Las tres vacunas más avanzadas se encuentran en la fase 3.
Under ordinary circumstances, these phases of vaccine development can take years to complete. But now, during the age of coronavirus, the timeline is being shortened. Here’s an inventory of where things stand.
Some experts say the United States is arguably still in the first wave of the coronavirus pandemic and history tells us that the 1918 influenza pandemic came in at least three waves. But that’s not necessarily a template for how the coronavirus pandemic will play out, because the coronavirus doesn’t have the same degree of seasonality that influenza does.
Polling supports Buttigieg’s claim.
It turns out the health care plans put forth by the campaigns of former Vice President Joe Biden and former Cabinet secretary Julián Castro are not that different.