These are the current rules for entering Argentina:
1. Starting October 1st, tourists from Brazil (and other neighboring countries) are allowed to enter the country and do not have to quarantine if they are fully vaccinated.
2. Starting November 1st, tourists from all over the world are allowed to enter the country and do not have to quarantine if they are fully vaccinated.
3. In both cases, those who have not been vaccinated against Covid-19 will be allowed to enter the country, but they will be obliged to undertake a quarantine period of at least seven days.
4. In both cases, even if vaccinated, tourists have to do a PCR test 72 hours before arrival, a quick test upon arrival and a PCR test within the first 5-7 days. And they need a travel insurance that covers Covid.