A biologist who studies the evolution of diseases explains what's different about the two new virus strains that have been found recently, and what that means for vaccine effectiveness.
yesterday • ~7 min
evolution covid-19 coronavirus vaccines mutation
The great polio vaccine mess and the lessons it holds about federal coordination for today's COVID-19 vaccination effort
Massive vaccine distribution efforts take a lot of coordination. The rollout of the Salk polio vaccine in the US in 1955 holds lessons for those delivering COVID-19 shots today.
Jan. 14, 2021 • ~8 min
covid-19 vaccines polio vaccination covid-19-vaccine polio-vaccination polio-vaccine jonas-salk polio-immunisation vaccine-rollout
Two in five Americans say they don't want a COVID-19 vaccine, which is a problem. Finding out what Americans do want from a vaccine might help.
Jan. 13, 2021 • ~9 min
covid-19 coronavirus vaccines herd-immunity covid-19-vaccine vaccine-safety vaccine-hesitancy moderna-vaccine pfizer-vaccine
Researchers say around 70% of the US needs to get the coronavirus vaccine to stop the pandemic. But questions around the vaccines and regional differences add some uncertainty to that estimate.
Jan. 5, 2021 • ~8 min
covid-19 coronavirus transmission vaccines immunity population herd-immunity viruses pfizer moderna astrazeneca
The cold supply chain can't reach everywhere – that's a big problem for equitable COVID-19 vaccination
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.
Jan. 4, 2021 • ~7 min
public-health covid-19 coronavirus vaccines sars-cov-2 cdc cold-chain pfizer health-equity moderna centers-for-disease-control medical-ethics vaccine-distribution
Should pregnant women get the COVID-19 vaccine? Will it protect against asymptomatic infections and mutated viruses? An immunologist answers 3 questions
With vaccines forthcoming for most Americans, many groups, including expectant mothers, are wondering if the vaccine is safe for them and their babies. A physician-scientist explains.
Dec. 23, 2020 • ~6 min
covid-19 coronavirus immune-system pandemic vaccines sars-cov-2 viruses ace2 spike-protein moderna pfizerbiontech-vaccine
The federal agency in charge of enforcing discrimination laws in the workplace said 'yes,' but there are some important exceptions and limitations.
Dec. 22, 2020 • ~7 min
covid-19 coronavirus vaccines remote-work questions-answered workplace americans-with-disabilities-act-ada emergency-use-authorization covid-vaccines workplace-law religious-exemptions equal-employment-opportunity-commission persons-with-disabilities
The coronavirus vaccine was developed faster than any vaccine in history. It took just 332 days from the first sequencing of the virus genome to the first vaccines given to the public.
Dec. 18, 2020 • ~5 min
genome covid-19 coronavirus statistics fda vaccines sars-cov-2 cdc vaccine-development government-funding operation-warp-speed
The top scientific breakthrough for 2020 was understanding SARS-CoV-2 and how it causes COVID-19 – and then developing multiple vaccines
The development of multiple vaccines against the virus that causes COVID-19 has been hailed as the breakthrough of 2020. But there were many more supporting discoveries that made this possible.
Dec. 17, 2020 • ~11 min
innovation genome covid-19 immune-system pandemic vaccines sars-cov-2 remdesivir drug-development monoclonal-antibodies astrazeneca pfizerbiontech-vaccine moderna-vaccine pfizer-vaccine
COVID-19 vaccines have very specific storage requirements that make shipping a difficult task. Two ideas – fulfillment centers and cross-docking – could help overcome some distribution challenges.
Dec. 15, 2020 • ~7 min
covid-19 amazon vaccines cold-chain pfizer shipping distribution moderna trucks covid-vaccines walmart