obviously, that should be a priority right now, especially for high-income countries to do their part, because we only have about 1% of low-income countries actually vaccinated at this point. and that s why we re seeing these emerging variants. so, dr. fauci, today, was asked about basically these travel bans, and he said, essentially, the issue of blocking travel from a given country is to just give us time to assess it better. you actually don t think travel bans work. why is that? well, as we ve seen already, by the time the travel bans are instituted, there s already been spread of the virus. and we ve already seen this variant identified on a number of continents already. i mean, even the first specimen that was collected, the first omicron specimen is collected on november 9th and we are just now hearing about this variant. and so, most likely, the spread