Hello sir mera beta 18 month ka h unse 3 Oct ko vaccine lgi h unke 5 ghante baad use feaver aaya or aaj 6 oct h use ab bhi feaver aa rha h hr 5,6 ghante baad use feaver aatha h or uska cough khasi bhi ho gya h ye vaccine ki vjh se fever h ya kuch or mujhe samjh ni aa rha h plz help