Put there is/there are constructions regular programmer of immunization in our country lot of patient at the infectious disease hospital

1) There is a regular programmer of immunization in our country.
2) There are a lot of patients at the infectious disease hospital.

В первом there is, потому что единственное число — a regular programmer.
Во втором there are, потому что множественное число — a lot of patients (много пациентов).