English Timeline of the COVID-19 pandemic in Massachusetts Cited by user 多多123 on 10 Mar 2023 The following is a timeline of the COVID-19 pandemic in Massachusetts.
English Breakthrough infection Cited by user Prototyperspective on 23 Aug 2021 A breakthrough infection is a case of illness in which a vaccinated individual becomes sick from the same illness that the vaccine is meant to prevent.
French Vaccin contre la Covid-19 Cited by user Nguyen Patrick VH on 21 Aug 2021 Un vaccin contre la maladie à coronavirus 2019 (Covid-19) entraîne et prépare le système immunitaire à reconnaître et à combattre le coronavirus SARS-CoV-2, ce qui…
English SARS-CoV-2 Delta variant Cited by user Proud Novice on 03 Aug 2021 The Delta variant, also known as lineage B.1.617.2, is a variant of lineage B.1.617 of SARS-CoV-2, the virus that causes COVID-19.