Just a breakdown of the basics of vaccine efficacy, including what's known about efficacy against different variants, to rebut the simplistic view I see so much that vaccines prevent severe illness/death but don't do a thing to reduce likelihood of infection/transmission.

Is Southern Africa’s increase of infections data coming from *new tests* or a retroactive reading of test results picking up the Omicron variant? Likewise, are the Omicron cases reported in EU/Canada/etc. new COVID positive cases or a retroactive reading of past completed tests?

There are reports of tripled hospitalizations in two weeks in Gauteng Province. Can we say for sure this is related to Omicron?

1/2 Moderna is close to finishing testing on two updated vaccines one of which: “multi-valent candidate (mRNA-1273.213) includes many of the mutations present in the Omicron variant that were also present in the Beta and Delta variants2.” How will they impact Omicron?

Does it make sense to wait for omicron-specific boosters if the next few weeks show that the vaccine isn’t as effective?

What is the optimal range for dosing interval for the secondary immune response from a 3rd dose?

Hi, I would like to know what percentage of COVID-19 positive samples in the US are subject to genomic testing? Also, how does that percentage compare to other developed countries and if we are significantly lower, why? Finally, does the percentage sequenced vary by region? TY!

Given the countries placed on the travel red list and those not, is the “developed” world racist or unashamedly racist?

Boosters for Oxford-Astrazeneca Vaccine? For fully-vaccinated? If so, when?

How do we encourage the unvaccinated to get vaccinated? Some refuse and do not want to be told what to do, it goes beyond misinformation. Some of the unvaccinated are in healthcare.