These variants are definitely cause for concern. But there's every indication we can adapt our vaccine strategy to combat these and other variants going forward.
Masks between 7am and 9am for those born before 2005 – Sweden's coronavirus policies are unnecessarily confusing.
A bat virus discovered a decade ago in Cambodia indicates that pangolin trafficking remains a credible explanation for the origin of the Covid-19 pandemic.
Everything you need to know about fit, filtration and breathability.
The virus is evolving and new strains are more transmissible. Will the vaccines work against these new variants? How can researchers stay ahead of the virus's evolution?
Recently announced travel restrictions are intended to curb the spread of COVID-19 variants. However, we need to do a better job of tracking arrivals into the country.
Getting pharmacies more involved could be a game changer, particularly for reaching minorities, older adults without internet access and others left behind.
Ever since the 2001 SARS outbreak and H5N1 avian flu in 2003, we’ve developed tools to monitor diseases that transmitted from animals to humans. But what does a large-scale roll-out entail?
With slow vaccine distribution and manufacturing, some people won't get the second dose on time. But does it matter?
Jackson Mthembu's death drives home the seriousness of the COVID-19 pandemic in the country.
The microbes in your gut influence how your immune system reacts to bacteria and viruses. A severe immune reaction is deadly; a small one lets the virus win. The right balance may depend on your diet.
Scientists have observed that 501Y.V2 has quickly become "dominant" among multiple variants that have been circulating in the South African population.
We've gone from a novel virus to several COVID-19 vaccines in less than a year. Here's what we've learned from earlier vaccines to allow this to happen.
COVID-19 has been found in pets, zoo animals and in a wild mink in Utah. Monitoring wildlife for COVID-19 is important for animals and humans, both of whom face risks from a jumping virus.
The new SARS-CoV-2 variant is already spreading in the US and could be dominant by March, the CDC warns. Here's what that means for the masks you choose and how you practice social distancing.
West Virginia's success holds some important lessons for other states and the rest of the COVID-19 vaccine rollout.
We need to return to a norm of families only accessing in-school provision where it is absolutely unavoidable.
With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it's better to give one dose to more people and give a second when the supply is better.
Analysis of smartphone data shows why countries need to coordinate border closures to stop the spread of the new variant.
So far, the only COVID-19 vaccines authorized for use need to be kept frozen. But there are many places in the world that can't support a cold supply chain.