Covid health questions

Dozens of HuffPost UK readers have shared questions and concerns about their second dose – but there's little need to worry.
HuffPost UK reader Stephen asked: “Should I take aspirin to reduce the risk of blood clots when taking the AstraZeneca vaccination?"
HuffPost UK reader Kathy asked: "I've had two doses of my Covid-19 vaccine, does this mean I'm immune?"
HuffPost UK reader Glyn asked: "Can you catch Covid sitting on a plane or bus, as you are sat side by side?"
HuffPost UK reader Laurie asked: “Is it safe for children to play outside together at play time and on equipment?”
HuffPost UK reader Jean asked: "How likely is it I'll catch Covid in a queue, both inside and outside?"
HuffPost UK reader Pete asks: “Can you catch Covid-19 if you're outside in a crowded park?
HuffPost UK reader Evelyn asked: “I have had the vaccine, is it now ok to hug my grandchildren after three weeks?”
Experts explain why one family member has a runny nose and headache while another other is laid up in bed for a week.
HuffPost UK reader Ed asked: “What should I do if I experience a negative side effect of the Covid-19 vaccine?”