Paraguayan health authorities reported an increase in the demand for the yellow fever vaccine from people willing to travel to Brazil ... who have lost their cards. Yellow fever cases have been ...

In times when controversies over COVID-19 vaccination mandates keep mounting worldwide, Paraguay's authorities Friday announced a proof of immunization against yellow fever will be required to ...

However, investigations reveal that people in a hurry to travel out of the country usually buy the blank yellow fever cards, fill them and rubber-stamp them and actually travel without being ...

yellow fever was the only vaccination of interest to travelers, but other vaccinations or booster shots can be recorded as well. One problem with the paper Yellow Card is that it is ridiculously ...