Resources with keywords: covid-19
A large observational, real-world study from Israel estimates that the Pfizer/BioNTech COVID-19 vaccine is 46% effective at preventing infection 14 to 20 days after the first dose and 92% 7 days after the second dose, backing the results of an earlier randomized, controlled trial.
Helpful info about the safety of vaccines, how to get a vaccine, the SARS-CoV-2 variants that are causing concern, etc.
In collaboration with NCI, CDC, and BARDA, the FDA has developed a comprehensive dataset to compare the performance characteristics of different serological tests that were independently evaluated using well-characterized sample panels of positive and negative specimens for SARS-CoV-2 antibodies.
Groves LM, Usagawa L, Elm J, et al.
Twenty-one COVID-19 cases were linked to an index case in a fitness instructor, who, along with a patient who was also an instructor, taught classes <1 day, 1 to <2 days, and ≥2 days before symptom onset; aggregate attack rates were 95%, 13%, and 0%, respectively.
An interesting view on transmission of COVID-19, basis for an article by National Geographic.[related charts & graphs (PDF)]
