New Covid-19 Variants Reshape Our Understanding Of Reinfection
Random variation is an essential component of all living things. It drives diversity, and it is why there are so many different species. Viruses are no exception. Most viruses are experts at changing genomes to adapt to their environment. We now have …
Researchers Identify New Covid-19 Variant In Ohio
Random variation is an essential component of all living things. It drives diversity, and it is why there are so many different species. Viruses are no exception. Most viruses are experts at changing genomes to adapt to their environment. We now have …
Are We Creating Immune Resistant Variants Of SARS-CoV-2?
Random variation is an essential component of all living things. It drives diversity, and it is why there are so many different species. Viruses are no exception. Most viruses are experts at changing genomes to adapt to their environment. We now have …
How To Decipher The New Pfizer Study On Vaccines And Variants
One of the biggest and most pressing questions to arise about new SARS-CoV-2 variants like B.1.1.7, the so-called UK variant with 17 distinct mutations, and the so-called South African variant 501.V2 is whether they’ll impact the efficacy of Covid-19 vaccines. In an …
The Risks Of Delaying Or Diluting Covid-19 Vaccines
With a limited supply of Covid-19 vaccines, the question on many minds is whether to dilute the vaccines or delay the second dose to speed Covid-19 vaccination. My answer is neither—the greatest threat to population protection is virus resistance. Diluting the vaccine …
Vaccines Need To Be Cheap And Accessible Worldwide
Vaccine development typically takes years of research, design, and trial. For Covid-19 vaccines, pharmaceutical companies took only months to receive emergency use authorization from the Food and Drug Administration. This rapid development should be applauded, but the next steps are equally crucial. …
The Moderna Vaccine’s Antibodies May Not Last As Long As We Hoped
With the rollout of Covid-19 vaccines finally underway across the United States, data on the vaccines’ effectiveness is starting to become more available. But one key piece of information is still relatively unknown: how long the vaccines’ effectiveness will last. While only …
The Trouble With Herd Immunity And Covid-19 Vaccines
Now that an independent advisory panel has voted in favor of approving Pfizer’s two-dose Covid-19 vaccine, it likely won’t be long before the US Food and Drug Administration (FDA) clears it for emergency use. Within 24 hours of their decision, millions of …
How Will A Covid-19 Vaccine Impact Travel?
In the past decade, the world has seen a steady rise in travel and tourism that undoubtedly influenced the trajectory of the Covid-19 pandemic. People flew in and out of China six times as much on a daily basis in 2018 than …
Understanding Vaccine Effectiveness
There has been a flurry of press releases on vaccine effectiveness. There is a risk of misunderstanding these numbers by lay people. Multiple factors influence the risk of developing Covid-19 illness. These include innate immunity (first defense response when body is exposed …