Quarantine Edinburgh and Leith, grain was from that date declared to be a non-susceptible article. About 1788 an order of the council required every ship liable to quarantine, in case of meeting any vessel at sea, or within four leagues of the coast of Great Britain or Ireland, to hoist a yellow flag in the daytime and show a light at the main topmast head at night, under a penalty of After 1800, ships from plague-countries (or with foul bills) were enabled to perform their quarantine on arrival in the Medway instead of taking a Mediterranean port on the way for
Quarantine Act 1721 some further provisions are necessary to be made, in case it should please Almighty God to permit these kingdoms to be afflicted with the plague; for remedy thereof; be it enacted. which is right In simpler terms, this act made it mandatory for all ships and crew to undergo a complete quarantine of the ship’s cargo and crew to determine whether there was a threat to public health. If the ship was infected by a disease and the captain or any of the crew members knew and hid the information, they were subject to capital punishment. If a crew member