A to Z Challenge - V is for Vaccine

The A to Z challenge is to write a daily blog post centred around a different letter of the alphabet each day. I will attempt to write a complete story which will continue each day and hopefully draw to a conclusion when we get to Z.
For previous posts click a letter - A , B , C , D, E , F , G, H, I,  J, K, L, M, N, O, P, Q, R, S, T, U
 

Paul Delgardo needed to get hold of April but couldn’t risk her mother seeing him. He knew perfectly well that she would recognise him and now was not...