public health assistance can mean:

give financial and technical assistance to local communities in time of crisis, such as that caused by epidemics, hurricanes, and floods.

provide health officers and nurses for the schools and visiting nurses for the home.

to oversee the water supply, the disposal of sewage, the production and distribution of milk, and the proper handling of food in restaurants.

Public health has many sub-fields, but is typically divided into the categories of epidemiology, biostatistics and health services. Environmental, social and behavioral health, and occupational health.

send more doctors, nurses..sending more money to make better vaccine...the list can go on and on so add on to the list and what you think is publice health assistance!!