Moderna And Pfizer Vaccines Prevent Infection As Well As Disease: Key Questions Remain
Ever since the US vaccine rollout officially commenced in December, a question that has been top of mind is whether the messenger RNA (mRNA) vaccines created by Moderna and Pfizer/BioNTech would perform as well under real-world conditions as they did in the …
Persistence Of Covid-19 Antibodies Varies Widely From Person To Person
One of the greatest unsolved mysteries of Covid-19 is why the neutralizing antibodies our bodies generate in response to the virus tend to dwindle in number so quickly. A small minority of studies, including one completed in Iceland last summer, have observed …
New Study Predicts Immune Protection May Vary For Different Covid-19 Vaccines
After more than a year of lockdowns, isolation, and great loss of human life, the slow but steady rollout of Covid-19 vaccines has given us all a much-needed glimmer of hope. As of March 22, the total number of doses administered worldwide …
Third Generation Covid-19 Variant Described In The Philippines
A new SARS-CoV-2 variant has emerged once again, this time in the Philippines. The new variant bears a resemblance to the recently discovered Japanese variant (B.1.1.248) and the infamous Brazilian variant (P.1), known for its dangerous immune-escape capabilities. B.1.1.248 and the Philippine …
Novavax Covid-19 Vaccine Performs Well In Clinical Trials, But Variants Remain A Threat
More than 330 million vaccinations have been administered in the fight against Covid-19, and a new vaccine candidate is now ready to enter the ring. Novavax recently completed its final analyses and will seek FDA and international approval in the coming weeks. …
New Study Using Live Virus Explores Whether Pfizer-BioNTech Vaccine Protects Against Variants
When new variants of SARS-CoV-2, the virus that causes Covid-19, were discovered to be circulating around the world, the first question for many was whether they would present a serious problem for nascent vaccination programs against Covid-19. While the answer still eludes …
Lessons From The Past And Present For Controlling Covid-19: Polio
This article is the first in an ongoing series about what we can learn from successful efforts to vaccinate against other diseases and apply to interventions against Covid-19. Though we’ve cycled through many kinds of public health interventions in our struggle to …
Schools Must Reconsider Accelerating Plans To Reopen In Light Of Dangerous New Covid-19 Variants
Nearly a year has passed since schools across the country began shuttering their doors to protect students, educators, and their families from Covid-19. Since then, many parents juggling work and schooling duties have incurred more stress while making less money; a high percentage of kids …
If I Had Covid-19, Should I Still Get Vaccinated? Absolutely
The number of people who have received at least one dose of a Covid-19 vaccine is growing steadily greater by the day. While most of those vaccinated thus far belong to high-priority, high-risk groups—older adults, health workers, educators, and so on—in due …
Pfizer/BioNtech And Moderna MRNA Covid-19 Vaccines Closely Mimic The Immune Response Of Natural SARS-CoV-2 Infections
As more and more variants of SARS-CoV-2 either emerge or make landfall in the United States, the question of whether they’ll be able to bypass the immune defenses we’ve acquired against Covid-19 becomes increasingly pressing. The official record states that nearly 30 …