O'MALLEY James <br/><br/>
Why covid passports are grounded/ 
James O'Malley 
 -  2021 
<br/><br/> International travel has slowed down for the past two years. It is gradually picking up. What is slowing down is a lack of central database of the health system servers. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COVID-19--TRAVEL