Eating contaminated food without proper cooking especially shellfish like oysters , clams , cockles and mussels . drinking contaminated water 进食被病毒污染而未经煮熟的食物，尤其是贝壳类海产如蚝、蚬和螺等。
Food hygiene - drink only boiled water . all food , especially shellfish , should be carefully cleaned and thoroughly cooked 饮食卫生-食水饮用前要煮沸，所有食物，特别是贝壳类海产食物，都应清洗乾净并彻底煮熟。
All food , especially shellfish , should be thoroughly cleaned and well cooked . ( the hepatitis a virus dies within five minutes at 100o c ) 所有食物，特别是贝壳类海产食物，都应清洗乾净并彻底煮熟(甲型肝炎病毒在100高温煮五分钟才会死亡)
Shellfish such as oysters , clams , mussels , snails , and scallops are organisms that absorb nutrients by filtering water through their systems 贝壳类动物，例如：蚝、蚬、青口、螺及带子等，是以吞吐和过滤的方式来吸取水中养料，及将体内废物排泄。
Types of food which are susceptible to contamination include shellfish particularly oysters , raw fruits and vegetables and unpasteurised milk and dairy products 贝壳类海产尤其是蚝，未经煮熟的蔬果及未经消毒处理的奶类及其产品，均特别容易受到污染。
Before cooking , wash and scrub the shells of shellfish , then place them in clean water for a period of time so that they can expel pollutants from their bodies 煮食前，应用清水将贝壳类海产的外壳洗擦乾净，并浸养于清水一段时间，待它们自行清滤体内的污物。
The outer shell of shellfish should be removed and the shellfish cooked in boiling water for a relatively long period of time to ensure that it is thoroughly cooked 贝壳类海产的外壳应除去，然后放在滚汤内一段较长时间，确保热力渗透至中心部份，以便彻底煮热，方可食用。
Hepatitis a is probably the most common of all hepatitis . it is transmitted by the faeco - oral route through contaminated food , drinks and shellfish . it has an incubation period of 2 to 6 weeks 甲型肝炎可说是最流行的一种肝炎，主要是由肠道传染，例如吃了受病毒沾染而未经煮熟的食物，特别是蚬、蚝等贝壳类食物，或饮用受污染的水和奶等。
Hepatitis a is one type of viral hepatitis . in general , it is transmitted by eating contaminated and improperly cooked food , especially shellfish . contaminated water or other beverages can also transmit the infection 甲型肝炎是病毒性肝炎的一种，一般由肠道传染，例如进食受了病毒沾染而未经煮熟的食物(特别是蚬、蚝等贝壳类食物) ，或饮用受沾染了的水和饮品等。
Certain foods such as offal , shellfish , and alcohol are high in purine which are metabolized to uric acid in the body . over consumption in such foods increases the chance of having gout . can gout be cured 若在日常饮食中，喜好一些含有高成份嘌呤的食物，例如动物内脏、贝壳类海产、酒类等，这些嘌呤在我们体内经过新陈代谢后，就会变成尿酸，再加上暴饮暴食，便很容易诱发这个痛症。
