public async void Delete()
        {
            if (CurrentVaccine?.FId != null)
            {
                var isDeleteAccepted = await StandardMessagesDisplay.DeleteDisplayMessage(CurrentVaccine.VaccineStatus);

                if (isDeleteAccepted)
                {
                    var data = await DataService.Delete($"Vaccine/{Child?.Id}/{CurrentVaccine.FId}");

                    if (data == "Deleted")
                    {
                        VaccineList?.Remove(CurrentVaccine);
                        CurrentVaccine = VaccineList.OrderBy(x => x.VaccinePeriod).LastOrDefault();
                    }
                    else
                    {
                        StandardMessagesDisplay.CanceledDisplayMessage();
                    }
                }
                else
                {
                    return;
                }
            }
            else
            {
                StandardMessagesDisplay.NoDataDisplayMessage();
            }
        }
        public async void Get()
        {
            var jData = await DataService.Get($"Vaccine/{Child?.Id}");

            if (jData == "ConnectionError")
            {
                StandardMessagesDisplay.NoConnectionToast();
            }
            else if (jData == "null")
            {
                StandardMessagesDisplay.NoDataDisplayMessage();
            }
            else if (jData == "Error")
            {
                StandardMessagesDisplay.Error();
            }
            else if (jData == "ErrorTracked")
            {
                StandardMessagesDisplay.ErrorTracked();
            }
            else
            {
                try
                {
                    var data = JsonConvert.DeserializeObject <Dictionary <string, VaccineModel> >(jData);

                    if (data != null)
                    {
                        foreach (KeyValuePair <string, VaccineModel> item in data)
                        {
                            VaccineList?.Add(
                                new VaccineModel
                            {
                                Id            = item.Value.Id,
                                RegisteredBy  = item.Value.RegisteredBy,
                                VaccinePeriod = item.Value.VaccinePeriod,
                                VaccineStatus = item.Value.VaccineStatus,
                                FId           = item.Key
                            }
                                );
                        }
                    }
                    DateTime VaccinePeriod = VaccineList.OrderBy(x => x.VaccinePeriod).LastOrDefault().VaccinePeriod;

                    if (VaccinePeriodValidator.IsPeriodAvailable(VaccinePeriod))
                    {
                        CurrentVaccine = VaccineList.OrderBy(x => x.VaccinePeriod).LastOrDefault();
                    }
                }
                catch (Exception ex)
                {
                    Crashes.TrackError(ex);
                    StandardMessagesDisplay.InputToast(ex.Message);
                }
            }
        }