Indications and Usage for Tetanus and Diphtheria Vaccine. 1  MassBiologics' Td is a vaccine indicated for active immunization for the prevention of tetanus and diphtheria. This vaccine is approved for use in persons 7 years of age and older.
If we neglect safe practices we may have an outbreak of food poisoning. If we eat food which contains harmful micro-organisms, chemicals or toxins (poisons), that food can make us sick. To describe our illness we can use the terms food-borne illness, food-borne disease, or food poisoning. Food poisoning is caused by four agents: bacteria, viruses, parasites and chemicals.
Viruses and bacteria. Viruses are the most frequent cause of food poisoning in the U.S. The next highest causes are bacteria. About 31 viral and bacterial pathogens are responsible for almost 9.4 million diagnosed food poisoning illnesses per year; about 39 million food poisoning cases are unspecified (undiagnosed).