Dr Philippa Whitford @Dr_PhilippaW
This animation explains risk of aerosol spread of #COVID19 and importance of ventilation in schools and hospitality! I have written to Chancellor to ask for ventilation systems to be exempt from VAT & tax deductible. We need to learn to live with it! https://t.co/ER7Cs9x3o9 — PolitiTweet.org