December 15, 2022
Chinese massive spread
November 30, 2022
Natural cross immunity confirmed
November 28, 2022
Natural immunity in Italy
November 26, 2022
CDC, natural immunity not mentioned
November 20, 2022
Natural immunity protects
November 17, 2022
Safe and effective
September 1, 2022
Natural immunity in Portugal
July 23, 2022
Good natural immunity data
July 5, 2022
BA.5 causes more severe disease
June 21, 2022
Natural immunity evidence base
June 17, 2022